diff --git a/ash/accelerators/accelerator_controller_delegate_aura.cc b/ash/accelerators/accelerator_controller_delegate_aura.cc
index 538e4a43f44c18..d6e5258b255a09 100644
--- a/ash/accelerators/accelerator_controller_delegate_aura.cc
+++ b/ash/accelerators/accelerator_controller_delegate_aura.cc
@@ -35,7 +35,6 @@
 #include "ash/host/ash_window_tree_host.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
-#include "ash/new_window_delegate.h"
 #include "ash/root_window_controller.h"
 #include "ash/rotator/screen_rotation_animator.h"
 #include "ash/rotator/window_rotation.h"
@@ -180,38 +179,6 @@ void HandleMagnifyScreen(int delta_index) {
   }
 }
 
-bool CanHandleNewIncognitoWindow() {
-  return WmShell::Get()->delegate()->IsIncognitoAllowed();
-}
-
-void HandleNewIncognitoWindow() {
-  base::RecordAction(UserMetricsAction("Accel_New_Incognito_Window"));
-  Shell::GetInstance()->new_window_delegate()->NewWindow(
-      true /* is_incognito */);
-}
-
-void HandleNewTab(const ui::Accelerator& accelerator) {
-  if (accelerator.key_code() == ui::VKEY_T)
-    base::RecordAction(UserMetricsAction("Accel_NewTab_T"));
-  Shell::GetInstance()->new_window_delegate()->NewTab();
-}
-
-void HandleNewWindow() {
-  base::RecordAction(UserMetricsAction("Accel_New_Window"));
-  Shell::GetInstance()->new_window_delegate()->NewWindow(
-      false /* is_incognito */);
-}
-
-void HandleOpenFeedbackPage() {
-  base::RecordAction(UserMetricsAction("Accel_Open_Feedback_Page"));
-  Shell::GetInstance()->new_window_delegate()->OpenFeedbackPage();
-}
-
-void HandleRestoreTab() {
-  base::RecordAction(UserMetricsAction("Accel_Restore_Tab"));
-  Shell::GetInstance()->new_window_delegate()->RestoreTab();
-}
-
 display::Display::Rotation GetNextRotation(display::Display::Rotation current) {
   switch (current) {
     case display::Display::ROTATE_0:
@@ -260,11 +227,6 @@ void HandleRotateActiveWindow() {
   }
 }
 
-void HandleShowKeyboardOverlay() {
-  base::RecordAction(UserMetricsAction("Accel_Show_Keyboard_Overlay"));
-  Shell::GetInstance()->new_window_delegate()->ShowKeyboardOverlay();
-}
-
 bool CanHandleShowMessageCenterBubble() {
   RootWindowController* controller =
       RootWindowController::ForTargetRootWindow();
@@ -296,11 +258,6 @@ void HandleShowSystemTrayBubble() {
     controller->GetSystemTray()->ShowDefaultView(BUBBLE_CREATE_NEW);
 }
 
-void HandleShowTaskManager() {
-  base::RecordAction(UserMetricsAction("Accel_Show_Task_Manager"));
-  Shell::GetInstance()->new_window_delegate()->ShowTaskManager();
-}
-
 void HandleTakeWindowScreenshot(ScreenshotDelegate* screenshot_delegate) {
   base::RecordAction(UserMetricsAction("Accel_Take_Window_Screenshot"));
   DCHECK(screenshot_delegate);
@@ -398,22 +355,6 @@ bool CanHandleUnpin() {
 }
 
 #if defined(OS_CHROMEOS)
-void HandleCrosh() {
-  base::RecordAction(UserMetricsAction("Accel_Open_Crosh"));
-
-  Shell::GetInstance()->new_window_delegate()->OpenCrosh();
-}
-
-void HandleFileManager() {
-  base::RecordAction(UserMetricsAction("Accel_Open_File_Manager"));
-
-  Shell::GetInstance()->new_window_delegate()->OpenFileManager();
-}
-
-void HandleGetHelp() {
-  Shell::GetInstance()->new_window_delegate()->OpenGetHelp();
-}
-
 void HandleSwapPrimaryDisplay() {
   base::RecordAction(UserMetricsAction("Accel_Swap_Primary_Display"));
   Shell::GetInstance()->display_configuration_controller()->SetPrimaryDisplayId(
@@ -475,20 +416,13 @@ bool AcceleratorControllerDelegateAura::HandlesAction(
     case LAUNCH_LAST_APP:
     case MAGNIFY_SCREEN_ZOOM_IN:
     case MAGNIFY_SCREEN_ZOOM_OUT:
-    case NEW_INCOGNITO_WINDOW:
-    case NEW_TAB:
-    case NEW_WINDOW:
-    case OPEN_FEEDBACK_PAGE:
-    case RESTORE_TAB:
     case ROTATE_SCREEN:
     case ROTATE_WINDOW:
     case SCALE_UI_DOWN:
     case SCALE_UI_RESET:
     case SCALE_UI_UP:
-    case SHOW_KEYBOARD_OVERLAY:
     case SHOW_MESSAGE_CENTER_BUBBLE:
     case SHOW_SYSTEM_TRAY_BUBBLE:
-    case SHOW_TASK_MANAGER:
     case TAKE_PARTIAL_SCREENSHOT:
     case TAKE_SCREENSHOT:
     case TAKE_WINDOW_SCREENSHOT:
@@ -502,9 +436,6 @@ bool AcceleratorControllerDelegateAura::HandlesAction(
     case DISABLE_GPU_WATCHDOG:
     case LOCK_PRESSED:
     case LOCK_RELEASED:
-    case OPEN_CROSH:
-    case OPEN_FILE_MANAGER:
-    case OPEN_GET_HELP:
     case POWER_PRESSED:
     case POWER_RELEASED:
     case SWAP_PRIMARY_DISPLAY:
@@ -536,8 +467,6 @@ bool AcceleratorControllerDelegateAura::CanPerformAction(
     case MAGNIFY_SCREEN_ZOOM_IN:
     case MAGNIFY_SCREEN_ZOOM_OUT:
       return CanHandleMagnifyScreen();
-    case NEW_INCOGNITO_WINDOW:
-      return CanHandleNewIncognitoWindow();
     case SCALE_UI_DOWN:
     case SCALE_UI_RESET:
     case SCALE_UI_UP:
@@ -560,15 +489,9 @@ bool AcceleratorControllerDelegateAura::CanPerformAction(
     case LAUNCH_APP_6:
     case LAUNCH_APP_7:
     case LAUNCH_LAST_APP:
-    case NEW_TAB:
-    case NEW_WINDOW:
-    case OPEN_FEEDBACK_PAGE:
-    case RESTORE_TAB:
     case ROTATE_SCREEN:
     case ROTATE_WINDOW:
-    case SHOW_KEYBOARD_OVERLAY:
     case SHOW_SYSTEM_TRAY_BUBBLE:
-    case SHOW_TASK_MANAGER:
     case TAKE_PARTIAL_SCREENSHOT:
     case TAKE_SCREENSHOT:
     case TAKE_WINDOW_SCREENSHOT:
@@ -589,9 +512,6 @@ bool AcceleratorControllerDelegateAura::CanPerformAction(
     case DISABLE_GPU_WATCHDOG:
     case LOCK_PRESSED:
     case LOCK_RELEASED:
-    case OPEN_CROSH:
-    case OPEN_FILE_MANAGER:
-    case OPEN_GET_HELP:
     case POWER_PRESSED:
     case POWER_RELEASED:
     case TOGGLE_MIRROR_MODE:
@@ -664,21 +584,6 @@ void AcceleratorControllerDelegateAura::PerformAction(
     case MAGNIFY_SCREEN_ZOOM_OUT:
       HandleMagnifyScreen(-1);
       break;
-    case NEW_INCOGNITO_WINDOW:
-      HandleNewIncognitoWindow();
-      break;
-    case NEW_TAB:
-      HandleNewTab(accelerator);
-      break;
-    case NEW_WINDOW:
-      HandleNewWindow();
-      break;
-    case OPEN_FEEDBACK_PAGE:
-      HandleOpenFeedbackPage();
-      break;
-    case RESTORE_TAB:
-      HandleRestoreTab();
-      break;
     case ROTATE_SCREEN:
       HandleRotateScreen();
       break;
@@ -694,18 +599,12 @@ void AcceleratorControllerDelegateAura::PerformAction(
     case SCALE_UI_UP:
       accelerators::ZoomInternalDisplay(true /* up */);
       break;
-    case SHOW_KEYBOARD_OVERLAY:
-      HandleShowKeyboardOverlay();
-      break;
     case SHOW_MESSAGE_CENTER_BUBBLE:
       HandleShowMessageCenterBubble();
       break;
     case SHOW_SYSTEM_TRAY_BUBBLE:
       HandleShowSystemTrayBubble();
       break;
-    case SHOW_TASK_MANAGER:
-      HandleShowTaskManager();
-      break;
     case TAKE_PARTIAL_SCREENSHOT:
       HandleTakePartialScreenshot(screenshot_delegate_.get());
       break;
@@ -737,15 +636,6 @@ void AcceleratorControllerDelegateAura::PerformAction(
       Shell::GetInstance()->power_button_controller()->OnLockButtonEvent(
           action == LOCK_PRESSED, base::TimeTicks());
       break;
-    case OPEN_CROSH:
-      HandleCrosh();
-      break;
-    case OPEN_FILE_MANAGER:
-      HandleFileManager();
-      break;
-    case OPEN_GET_HELP:
-      HandleGetHelp();
-      break;
     case POWER_PRESSED:  // fallthrough
     case POWER_RELEASED:
       if (!base::SysInfo::IsRunningOnChromeOS()) {
diff --git a/ash/common/accelerators/accelerator_controller.cc b/ash/common/accelerators/accelerator_controller.cc
index b8be032df449ec..28afb1f0e9f136 100644
--- a/ash/common/accelerators/accelerator_controller.cc
+++ b/ash/common/accelerators/accelerator_controller.cc
@@ -13,6 +13,7 @@
 #include "ash/common/ime_control_delegate.h"
 #include "ash/common/media_delegate.h"
 #include "ash/common/multi_profile_uma.h"
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/system/brightness_control_delegate.h"
@@ -105,6 +106,26 @@ void HandleMediaPrevTrack() {
   WmShell::Get()->media_delegate()->HandleMediaPrevTrack();
 }
 
+bool CanHandleNewIncognitoWindow() {
+  return WmShell::Get()->delegate()->IsIncognitoAllowed();
+}
+
+void HandleNewIncognitoWindow() {
+  base::RecordAction(UserMetricsAction("Accel_New_Incognito_Window"));
+  WmShell::Get()->new_window_delegate()->NewWindow(true /* is_incognito */);
+}
+
+void HandleNewTab(const ui::Accelerator& accelerator) {
+  if (accelerator.key_code() == ui::VKEY_T)
+    base::RecordAction(UserMetricsAction("Accel_NewTab_T"));
+  WmShell::Get()->new_window_delegate()->NewTab();
+}
+
+void HandleNewWindow() {
+  base::RecordAction(UserMetricsAction("Accel_New_Window"));
+  WmShell::Get()->new_window_delegate()->NewWindow(false /* is_incognito */);
+}
+
 bool CanHandleNextIme(ImeControlDelegate* ime_control_delegate) {
   return ime_control_delegate && ime_control_delegate->CanCycleIme();
 }
@@ -134,6 +155,11 @@ void HandleNextIme(ImeControlDelegate* ime_control_delegate) {
   ime_control_delegate->HandleNextIme();
 }
 
+void HandleOpenFeedbackPage() {
+  base::RecordAction(UserMetricsAction("Accel_Open_Feedback_Page"));
+  WmShell::Get()->new_window_delegate()->OpenFeedbackPage();
+}
+
 bool CanHandlePreviousIme(ImeControlDelegate* ime_control_delegate) {
   return ime_control_delegate && ime_control_delegate->CanCycleIme();
 }
@@ -146,6 +172,21 @@ void HandlePreviousIme(ImeControlDelegate* ime_control_delegate,
   // Else: consume the Ctrl+Space ET_KEY_RELEASED event but do not do anything.
 }
 
+void HandleRestoreTab() {
+  base::RecordAction(UserMetricsAction("Accel_Restore_Tab"));
+  WmShell::Get()->new_window_delegate()->RestoreTab();
+}
+
+void HandleShowKeyboardOverlay() {
+  base::RecordAction(UserMetricsAction("Accel_Show_Keyboard_Overlay"));
+  WmShell::Get()->new_window_delegate()->ShowKeyboardOverlay();
+}
+
+void HandleShowTaskManager() {
+  base::RecordAction(UserMetricsAction("Accel_Show_Task_Manager"));
+  WmShell::Get()->new_window_delegate()->ShowTaskManager();
+}
+
 bool CanHandleSwitchIme(ImeControlDelegate* ime_control_delegate,
                         const ui::Accelerator& accelerator) {
   return ime_control_delegate &&
@@ -211,6 +252,12 @@ void HandlePositionCenter() {
 }
 
 #if defined(OS_CHROMEOS)
+void HandleCrosh() {
+  base::RecordAction(UserMetricsAction("Accel_Open_Crosh"));
+
+  WmShell::Get()->new_window_delegate()->OpenCrosh();
+}
+
 bool CanHandleDisableCapsLock(const ui::Accelerator& previous_accelerator) {
   ui::KeyboardCode previous_key_code = previous_accelerator.key_code();
   if (previous_accelerator.type() == ui::ET_KEY_RELEASED ||
@@ -235,6 +282,16 @@ void HandleDisableCapsLock() {
   ime->GetImeKeyboard()->SetCapsLockEnabled(false);
 }
 
+void HandleFileManager() {
+  base::RecordAction(UserMetricsAction("Accel_Open_File_Manager"));
+
+  WmShell::Get()->new_window_delegate()->OpenFileManager();
+}
+
+void HandleGetHelp() {
+  WmShell::Get()->new_window_delegate()->OpenGetHelp();
+}
+
 bool CanHandleLock() {
   return WmShell::Get()->GetSessionStateDelegate()->CanLockScreen();
 }
@@ -568,6 +625,8 @@ bool AcceleratorController::CanPerformAction(
     case DEBUG_PRINT_VIEW_HIERARCHY:
     case DEBUG_PRINT_WINDOW_HIERARCHY:
       return debug::DebugAcceleratorsEnabled();
+    case NEW_INCOGNITO_WINDOW:
+      return CanHandleNewIncognitoWindow();
     case NEXT_IME:
       return CanHandleNextIme(ime_control_delegate_.get());
     case PREVIOUS_IME:
@@ -603,7 +662,13 @@ bool AcceleratorController::CanPerformAction(
     case MEDIA_NEXT_TRACK:
     case MEDIA_PLAY_PAUSE:
     case MEDIA_PREV_TRACK:
+    case NEW_TAB:
+    case NEW_WINDOW:
+    case OPEN_FEEDBACK_PAGE:
     case PRINT_UI_HIERARCHIES:
+    case RESTORE_TAB:
+    case SHOW_KEYBOARD_OVERLAY:
+    case SHOW_TASK_MANAGER:
     case TOGGLE_FULLSCREEN:
     case TOGGLE_MAXIMIZED:
     case TOGGLE_OVERVIEW:
@@ -613,6 +678,9 @@ bool AcceleratorController::CanPerformAction(
     case BRIGHTNESS_UP:
     case KEYBOARD_BRIGHTNESS_DOWN:
     case KEYBOARD_BRIGHTNESS_UP:
+    case OPEN_CROSH:
+    case OPEN_FILE_MANAGER:
+    case OPEN_GET_HELP:
     case SUSPEND:
     case TOGGLE_SPOKEN_FEEDBACK:
     case TOGGLE_WIFI:
@@ -674,15 +742,36 @@ void AcceleratorController::PerformAction(AcceleratorAction action,
     case MEDIA_PREV_TRACK:
       HandleMediaPrevTrack();
       break;
+    case NEW_INCOGNITO_WINDOW:
+      HandleNewIncognitoWindow();
+      break;
+    case NEW_TAB:
+      HandleNewTab(accelerator);
+      break;
+    case NEW_WINDOW:
+      HandleNewWindow();
+      break;
     case NEXT_IME:
       HandleNextIme(ime_control_delegate_.get());
       break;
+    case OPEN_FEEDBACK_PAGE:
+      HandleOpenFeedbackPage();
+      break;
     case PREVIOUS_IME:
       HandlePreviousIme(ime_control_delegate_.get(), accelerator);
       break;
     case PRINT_UI_HIERARCHIES:
       debug::PrintUIHierarchies();
       break;
+    case RESTORE_TAB:
+      HandleRestoreTab();
+      break;
+    case SHOW_KEYBOARD_OVERLAY:
+      HandleShowKeyboardOverlay();
+      break;
+    case SHOW_TASK_MANAGER:
+      HandleShowTaskManager();
+      break;
     case SWITCH_IME:
       HandleSwitchIme(ime_control_delegate_.get(), accelerator);
       break;
@@ -746,6 +835,15 @@ void AcceleratorController::PerformAction(AcceleratorAction action,
     case LOCK_SCREEN:
       HandleLock();
       break;
+    case OPEN_CROSH:
+      HandleCrosh();
+      break;
+    case OPEN_FILE_MANAGER:
+      HandleFileManager();
+      break;
+    case OPEN_GET_HELP:
+      HandleGetHelp();
+      break;
     case SUSPEND:
       HandleSuspend();
       break;
diff --git a/ash/new_window_delegate.h b/ash/common/new_window_delegate.h
similarity index 90%
rename from ash/new_window_delegate.h
rename to ash/common/new_window_delegate.h
index dc88772bf0a0dd..3a8b764690ea65 100644
--- a/ash/new_window_delegate.h
+++ b/ash/common/new_window_delegate.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_NEW_WINDOW_DELEGATE_H_
-#define ASH_NEW_WINDOW_DELEGATE_H_
+#ifndef ASH_COMMON_NEW_WINDOW_DELEGATE_H_
+#define ASH_COMMON_NEW_WINDOW_DELEGATE_H_
 
 namespace ash {
 
@@ -43,4 +43,4 @@ class NewWindowDelegate {
 
 }  // namespace ash
 
-#endif  // ASH_NEW_WINDOW_DELEGATE_H_
+#endif  // ASH_COMMON_NEW_WINDOW_DELEGATE_H_
diff --git a/ash/common/wm_shell.cc b/ash/common/wm_shell.cc
index 53e4559bfe52d1..5ad467936d6084 100644
--- a/ash/common/wm_shell.cc
+++ b/ash/common/wm_shell.cc
@@ -11,6 +11,7 @@
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/focus_cycler.h"
 #include "ash/common/keyboard/keyboard_ui.h"
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/app_list_shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_delegate.h"
@@ -67,6 +68,8 @@ void WmShell::Initialize() {
   // Install the custom factory early on so that views::FocusManagers for Tray,
   // Shelf, and WallPaper could be created by the factory.
   views::FocusManagerFactory::Install(new AshFocusManagerFactory);
+
+  new_window_delegate_.reset(delegate_->CreateNewWindowDelegate());
 }
 
 void WmShell::Shutdown() {
diff --git a/ash/common/wm_shell.h b/ash/common/wm_shell.h
index 38a91d04865a9b..79968ecf6f5c37 100644
--- a/ash/common/wm_shell.h
+++ b/ash/common/wm_shell.h
@@ -36,6 +36,7 @@ class KeyboardBrightnessControlDelegate;
 class KeyboardUI;
 class MaximizeModeController;
 class MruWindowTracker;
+class NewWindowDelegate;
 class ScopedDisableInternalMouseAndKeyboard;
 class SessionStateDelegate;
 class ShelfDelegate;
@@ -106,6 +107,10 @@ class ASH_EXPORT WmShell {
 
   MediaDelegate* media_delegate() { return media_delegate_.get(); }
 
+  NewWindowDelegate* new_window_delegate() {
+    return new_window_delegate_.get();
+  }
+
   ShelfDelegate* shelf_delegate() { return shelf_delegate_.get(); }
 
   ShelfModel* shelf_model() { return shelf_model_.get(); }
@@ -333,6 +338,7 @@ class ASH_EXPORT WmShell {
   std::unique_ptr<MaximizeModeController> maximize_mode_controller_;
   std::unique_ptr<MediaDelegate> media_delegate_;
   std::unique_ptr<MruWindowTracker> mru_window_tracker_;
+  std::unique_ptr<NewWindowDelegate> new_window_delegate_;
   std::unique_ptr<ShelfDelegate> shelf_delegate_;
   std::unique_ptr<ShelfModel> shelf_model_;
   std::unique_ptr<SystemTrayNotifier> system_tray_notifier_;
diff --git a/ash/display/display_util.cc b/ash/display/display_util.cc
index bd1c2e326f2fc9..f5fba968680a11 100644
--- a/ash/display/display_util.cc
+++ b/ash/display/display_util.cc
@@ -7,10 +7,11 @@
 #include <algorithm>
 
 #include "ash/common/display/display_info.h"
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/system/system_notifier.h"
+#include "ash/common/wm_shell.h"
 #include "ash/display/display_manager.h"
 #include "ash/host/ash_window_tree_host.h"
-#include "ash/new_window_delegate.h"
 #include "ash/shell.h"
 #include "base/strings/string_number_conversions.h"
 #include "grit/ash_resources.h"
@@ -48,7 +49,7 @@ class DisplayErrorNotificationDelegate
   bool HasClickedListener() override { return true; }
 
   void Click() override {
-    Shell::GetInstance()->new_window_delegate()->OpenFeedbackPage();
+    WmShell::Get()->new_window_delegate()->OpenFeedbackPage();
   }
 
  private:
diff --git a/ash/mus/BUILD.gn b/ash/mus/BUILD.gn
index 1eace08d72060d..9485de773d2865 100644
--- a/ash/mus/BUILD.gn
+++ b/ash/mus/BUILD.gn
@@ -56,6 +56,8 @@ source_set("lib") {
     "frame/non_client_frame_view_mash.h",
     "layout_manager.cc",
     "layout_manager.h",
+    "new_window_delegate_mus.cc",
+    "new_window_delegate_mus.h",
     "non_client_frame_controller.cc",
     "non_client_frame_controller.h",
     "property_util.cc",
diff --git a/ash/mus/accelerators/accelerator_controller_delegate_mus.cc b/ash/mus/accelerators/accelerator_controller_delegate_mus.cc
index fad534375ce5cf..099e1e6d6001ea 100644
--- a/ash/mus/accelerators/accelerator_controller_delegate_mus.cc
+++ b/ash/mus/accelerators/accelerator_controller_delegate_mus.cc
@@ -38,20 +38,13 @@ bool AcceleratorControllerDelegateMus::HandlesAction(AcceleratorAction action) {
     case LAUNCH_LAST_APP:
     case MAGNIFY_SCREEN_ZOOM_IN:
     case MAGNIFY_SCREEN_ZOOM_OUT:
-    case NEW_INCOGNITO_WINDOW:
-    case NEW_TAB:
-    case NEW_WINDOW:
-    case OPEN_FEEDBACK_PAGE:
-    case RESTORE_TAB:
     case ROTATE_SCREEN:
     case ROTATE_WINDOW:
     case SCALE_UI_DOWN:
     case SCALE_UI_RESET:
     case SCALE_UI_UP:
-    case SHOW_KEYBOARD_OVERLAY:
     case SHOW_MESSAGE_CENTER_BUBBLE:
     case SHOW_SYSTEM_TRAY_BUBBLE:
-    case SHOW_TASK_MANAGER:
     case TAKE_PARTIAL_SCREENSHOT:
     case TAKE_SCREENSHOT:
     case TAKE_WINDOW_SCREENSHOT:
@@ -66,9 +59,6 @@ bool AcceleratorControllerDelegateMus::HandlesAction(AcceleratorAction action) {
     case DISABLE_GPU_WATCHDOG:
     case LOCK_PRESSED:
     case LOCK_RELEASED:
-    case OPEN_CROSH:
-    case OPEN_FILE_MANAGER:
-    case OPEN_GET_HELP:
     case POWER_PRESSED:
     case POWER_RELEASED:
     case SWAP_PRIMARY_DISPLAY:
diff --git a/ash/mus/new_window_delegate_mus.cc b/ash/mus/new_window_delegate_mus.cc
new file mode 100644
index 00000000000000..cb707461cb1baa
--- /dev/null
+++ b/ash/mus/new_window_delegate_mus.cc
@@ -0,0 +1,63 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/mus/new_window_delegate_mus.h"
+
+#include "base/logging.h"
+#include "services/shell/public/cpp/connector.h"
+
+namespace ash {
+namespace mus {
+
+NewWindowDelegateMus::NewWindowDelegateMus() {}
+
+NewWindowDelegateMus::~NewWindowDelegateMus() {}
+
+void NewWindowDelegateMus::NewTab() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::NewWindow(bool incognito) {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::OpenFileManager() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::OpenCrosh() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::OpenGetHelp() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::RestoreTab() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::ShowKeyboardOverlay() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::ShowTaskManager() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+void NewWindowDelegateMus::OpenFeedbackPage() {
+  // TODO: http://crbug.com/631836.
+  NOTIMPLEMENTED();
+}
+
+}  // namespace mus
+}  // namespace ash
diff --git a/ash/mus/new_window_delegate_mus.h b/ash/mus/new_window_delegate_mus.h
new file mode 100644
index 00000000000000..57dfb0223cefeb
--- /dev/null
+++ b/ash/mus/new_window_delegate_mus.h
@@ -0,0 +1,37 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ASH_MUS_NEW_WINDOW_DELEGATE_MUS_H_
+#define ASH_MUS_NEW_WINDOW_DELEGATE_MUS_H_
+
+#include "ash/common/new_window_delegate.h"
+#include "base/macros.h"
+
+namespace ash {
+namespace mus {
+
+class NewWindowDelegateMus : public NewWindowDelegate {
+ public:
+  NewWindowDelegateMus();
+  ~NewWindowDelegateMus() override;
+
+  // NewWindowDelegate:
+  void NewTab() override;
+  void NewWindow(bool incognito) override;
+  void OpenFileManager() override;
+  void OpenCrosh() override;
+  void OpenGetHelp() override;
+  void RestoreTab() override;
+  void ShowKeyboardOverlay() override;
+  void ShowTaskManager() override;
+  void OpenFeedbackPage() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NewWindowDelegateMus);
+};
+
+}  // namespace mus
+}  // namespace ash
+
+#endif  // ASH_MUS_NEW_WINDOW_DELEGATE_MUS_H_
diff --git a/ash/mus/shell_delegate_mus.cc b/ash/mus/shell_delegate_mus.cc
index 301f6157a9a78b..15c61802d1e1cb 100644
--- a/ash/mus/shell_delegate_mus.cc
+++ b/ash/mus/shell_delegate_mus.cc
@@ -12,6 +12,7 @@
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/tray/default_system_tray_delegate.h"
 #include "ash/mus/accessibility_delegate_mus.h"
+#include "ash/mus/new_window_delegate_mus.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string16.h"
 #include "components/user_manager/user_info_impl.h"
@@ -187,8 +188,7 @@ AccessibilityDelegate* ShellDelegateMus::CreateAccessibilityDelegate() {
 }
 
 NewWindowDelegate* ShellDelegateMus::CreateNewWindowDelegate() {
-  NOTIMPLEMENTED();
-  return nullptr;
+  return new mus::NewWindowDelegateMus;
 }
 
 MediaDelegate* ShellDelegateMus::CreateMediaDelegate() {
diff --git a/ash/shell.cc b/ash/shell.cc
index 9e2914b44a1aaf..7601bb0c045fa4 100644
--- a/ash/shell.cc
+++ b/ash/shell.cc
@@ -54,7 +54,6 @@
 #include "ash/keyboard_uma_event_filter.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
-#include "ash/new_window_delegate.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_widget.h"
@@ -710,7 +709,6 @@ Shell::~Shell() {
   window_tree_host_manager_.reset();
   focus_client_.reset();
   screen_position_controller_.reset();
-  new_window_delegate_.reset();
   pointer_watcher_delegate_.reset();
 
   keyboard::KeyboardController::ResetInstance(nullptr);
@@ -951,7 +949,6 @@ void Shell::Init(const ShellInitParams& init_params) {
 
   session_state_delegate_.reset(
       wm_shell_->delegate()->CreateSessionStateDelegate());
-  new_window_delegate_.reset(wm_shell_->delegate()->CreateNewWindowDelegate());
   pointer_watcher_delegate_ =
       wm_shell_->delegate()->CreatePointerWatcherDelegate();
 
diff --git a/ash/shell.h b/ash/shell.h
index 23c849be76d7a5..0aaffda7d26166 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -102,7 +102,6 @@ class LockStateController;
 enum class LoginStatus;
 class MagnificationController;
 class MouseCursorEventFilter;
-class NewWindowDelegate;
 class OverlayEventFilter;
 class PartialMagnificationController;
 class PointerWatcherDelegate;
@@ -343,10 +342,6 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
     return session_state_delegate_.get();
   }
 
-  NewWindowDelegate* new_window_delegate() {
-    return new_window_delegate_.get();
-  }
-
   HighContrastController* high_contrast_controller() {
     return high_contrast_controller_.get();
   }
@@ -549,7 +544,6 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
       accelerator_controller_delegate_;
   std::unique_ptr<UserWallpaperDelegate> user_wallpaper_delegate_;
   std::unique_ptr<SessionStateDelegate> session_state_delegate_;
-  std::unique_ptr<NewWindowDelegate> new_window_delegate_;
   std::unique_ptr<PointerWatcherDelegate> pointer_watcher_delegate_;
   std::unique_ptr<ShelfWindowWatcher> shelf_window_watcher_;
   std::unique_ptr<WindowPositioner> window_positioner_;
diff --git a/ash/shell/shell_delegate_impl.cc b/ash/shell/shell_delegate_impl.cc
index e3fee20c9fe996..3bbc53e073f7a5 100644
--- a/ash/shell/shell_delegate_impl.cc
+++ b/ash/shell/shell_delegate_impl.cc
@@ -9,12 +9,12 @@
 #include "ash/common/default_accessibility_delegate.h"
 #include "ash/common/gpu_support_stub.h"
 #include "ash/common/media_delegate.h"
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/tray/default_system_tray_delegate.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/default_user_wallpaper_delegate.h"
-#include "ash/new_window_delegate.h"
 #include "ash/pointer_watcher_delegate_aura.h"
 #include "ash/shell.h"
 #include "ash/shell/context_menu.h"
diff --git a/ash/test/test_shell_delegate.cc b/ash/test/test_shell_delegate.cc
index 07e7c185a05159..1bcca4aa636701 100644
--- a/ash/test/test_shell_delegate.cc
+++ b/ash/test/test_shell_delegate.cc
@@ -11,11 +11,11 @@
 #include "ash/common/default_accessibility_delegate.h"
 #include "ash/common/gpu_support_stub.h"
 #include "ash/common/media_delegate.h"
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm_shell.h"
-#include "ash/new_window_delegate.h"
 #include "ash/pointer_watcher_delegate_aura.h"
 #include "ash/test/test_keyboard_ui.h"
 #include "ash/test/test_session_state_delegate.h"
diff --git a/chrome/browser/ui/ash/chrome_new_window_delegate.h b/chrome/browser/ui/ash/chrome_new_window_delegate.h
index 5537a6ca3dab27..16701249310b9c 100644
--- a/chrome/browser/ui/ash/chrome_new_window_delegate.h
+++ b/chrome/browser/ui/ash/chrome_new_window_delegate.h
@@ -7,7 +7,7 @@
 
 #include <memory>
 
-#include "ash/new_window_delegate.h"
+#include "ash/common/new_window_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 
diff --git a/chrome/browser/ui/ash/chrome_new_window_delegate_browsertest.cc b/chrome/browser/ui/ash/chrome_new_window_delegate_browsertest.cc
index 559678ed142b70..c05daebb4ad8f9 100644
--- a/chrome/browser/ui/ash/chrome_new_window_delegate_browsertest.cc
+++ b/chrome/browser/ui/ash/chrome_new_window_delegate_browsertest.cc
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/new_window_delegate.h"
-#include "ash/shell.h"
+#include "ash/common/new_window_delegate.h"
+#include "ash/common/wm_shell.h"
 #include "ash/wm/window_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ -33,7 +33,7 @@ IN_PROC_BROWSER_TEST_F(ChromeNewWindowDelegateBrowserTest,
   Profile* profile1 = ProfileManager::GetActiveUserProfile();
   Browser* browser1 = CreateBrowser(profile1);
   // The newly created window should be created for the current active profile.
-  ash::Shell::GetInstance()->new_window_delegate()->NewWindow(false);
+  ash::WmShell::Get()->new_window_delegate()->NewWindow(false);
   EXPECT_EQ(
       chrome::FindBrowserWithWindow(ash::wm::GetActiveWindow())->profile(),
       profile1);
@@ -47,7 +47,7 @@ IN_PROC_BROWSER_TEST_F(ChromeNewWindowDelegateBrowserTest,
   Browser* browser2 = CreateBrowser(profile2);
   // The newly created window should be created for the current active window's
   // profile, which is |profile2|.
-  ash::Shell::GetInstance()->new_window_delegate()->NewWindow(false);
+  ash::WmShell::Get()->new_window_delegate()->NewWindow(false);
   EXPECT_EQ(
       chrome::FindBrowserWithWindow(ash::wm::GetActiveWindow())->profile(),
       profile2);
@@ -55,7 +55,7 @@ IN_PROC_BROWSER_TEST_F(ChromeNewWindowDelegateBrowserTest,
   // After activating |browser1|, the newly created window should be created
   // against |browser1|'s profile.
   browser1->window()->Show();
-  ash::Shell::GetInstance()->new_window_delegate()->NewWindow(false);
+  ash::WmShell::Get()->new_window_delegate()->NewWindow(false);
   EXPECT_EQ(
       chrome::FindBrowserWithWindow(ash::wm::GetActiveWindow())->profile(),
       profile1);
@@ -64,7 +64,7 @@ IN_PROC_BROWSER_TEST_F(ChromeNewWindowDelegateBrowserTest,
   // The newly created incoginito window should be created against the current
   // active |browser1|'s profile.
   browser1->window()->Show();
-  ash::Shell::GetInstance()->new_window_delegate()->NewWindow(true);
+  ash::WmShell::Get()->new_window_delegate()->NewWindow(true);
   EXPECT_EQ(chrome::FindBrowserWithWindow(ash::wm::GetActiveWindow())
                 ->profile()
                 ->GetOriginalProfile(),
@@ -73,7 +73,7 @@ IN_PROC_BROWSER_TEST_F(ChromeNewWindowDelegateBrowserTest,
   // The newly created incoginito window should be created against the current
   // active |browser2|'s profile.
   browser2->window()->Show();
-  ash::Shell::GetInstance()->new_window_delegate()->NewWindow(true);
+  ash::WmShell::Get()->new_window_delegate()->NewWindow(true);
   EXPECT_EQ(chrome::FindBrowserWithWindow(ash::wm::GetActiveWindow())
                 ->profile()
                 ->GetOriginalProfile(),
diff --git a/chrome/browser/ui/webui/options/chromeos/keyboard_handler.cc b/chrome/browser/ui/webui/options/chromeos/keyboard_handler.cc
index 0429a44a16ddeb..b234d695179ec9 100644
--- a/chrome/browser/ui/webui/options/chromeos/keyboard_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/keyboard_handler.cc
@@ -6,8 +6,8 @@
 
 #include <stddef.h>
 
-#include "ash/new_window_delegate.h"
-#include "ash/shell.h"
+#include "ash/common/new_window_delegate.h"
+#include "ash/common/wm_shell.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ -175,7 +175,7 @@ void KeyboardHandler::OnKeyboardDeviceConfigurationChanged() {
 }
 
 void KeyboardHandler::HandleShowKeyboardShortcuts(const base::ListValue* args) {
-  ash::Shell::GetInstance()->new_window_delegate()->ShowKeyboardOverlay();
+  ash::WmShell::Get()->new_window_delegate()->ShowKeyboardOverlay();
 }
 
 void KeyboardHandler::UpdateCapsLockOptions() const {
diff --git a/chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.cc b/chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.cc
index 84867f5e947ed4..d2e5704758a7ab 100644
--- a/chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.cc
+++ b/chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.cc
@@ -4,8 +4,8 @@
 
 #include "chrome/browser/ui/webui/settings/chromeos/device_keyboard_handler.h"
 
-#include "ash/new_window_delegate.h"
-#include "ash/shell.h"
+#include "ash/common/new_window_delegate.h"
+#include "ash/common/wm_shell.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/values.h"
@@ -67,7 +67,7 @@ void KeyboardHandler::HandleInitialize(const base::ListValue* args) {
 
 void KeyboardHandler::HandleShowKeyboardShortcutsOverlay(
     const base::ListValue* args) const {
-  ash::Shell::GetInstance()->new_window_delegate()->ShowKeyboardOverlay();
+  ash::WmShell::Get()->new_window_delegate()->ShowKeyboardOverlay();
 }
 
 void KeyboardHandler::UpdateShowKeys() {
diff --git a/components/arc/intent_helper/arc_intent_helper_bridge.cc b/components/arc/intent_helper/arc_intent_helper_bridge.cc
index 47098175db9a85..c18ef79fc0c8e6 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge.cc
+++ b/components/arc/intent_helper/arc_intent_helper_bridge.cc
@@ -7,10 +7,10 @@
 #include <utility>
 #include <vector>
 
+#include "ash/common/new_window_delegate.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
-#include "ash/new_window_delegate.h"
 #include "ash/shell.h"
 #include "base/memory/weak_ptr.h"
 #include "components/arc/intent_helper/activity_icon_loader.h"
@@ -71,7 +71,7 @@ void ArcIntentHelperBridge::OnOpenDownloads() {
   // downloads by default, which is what we want.  However if it is open it will
   // simply be brought to the forgeground without forcibly being navigated to
   // downloads, which is probably not ideal.
-  ash::Shell::GetInstance()->new_window_delegate()->OpenFileManager();
+  ash::WmShell::Get()->new_window_delegate()->OpenFileManager();
 }
 
 void ArcIntentHelperBridge::OnOpenUrl(const mojo::String& url) {