wm: Add metadata for window cycler views.

This will help with some debugging.

Bug: none
Test: none
Change-Id: Ifcb3b5b02ebbbe4cf3feaaca32cbdc0b83dfce60
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2987246
Auto-Submit: Sammie Quon <sammiequon@chromium.org>
Commit-Queue: Xiaoqian Dai <xdai@chromium.org>
Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#896123}

ash/wm/window_cycle/window_cycle_list.cc

@@ -37,6 +37,8 @@
 #include "ui/aura/window.h"
 #include "ui/aura/window_targeter.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/metadata/metadata_header_macros.h"
+#include "ui/base/metadata/metadata_impl_macros.h"
 #include "ui/compositor/animation_throughput_reporter.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_sequence.h"
@@ -169,6 +171,8 @@ aura::Window* GetRootWindowForCycleView() {
 // thumbnail of the window's contents.
 class WindowCycleItemView : public WindowMiniView {
  public:
+  METADATA_HEADER(WindowCycleItemView);
+
   explicit WindowCycleItemView(aura::Window* window) : WindowMiniView(window) {
     SetFocusBehavior(FocusBehavior::ALWAYS);
     SetNotifyEnterExitOnChild(true);
@@ -268,10 +272,15 @@ class WindowCycleItemView : public WindowMiniView {
   }
 };
 
+BEGIN_METADATA(WindowCycleItemView, WindowMiniView)
+END_METADATA
+
 // A view that shows a collection of windows the user can tab through.
 class WindowCycleView : public views::WidgetDelegateView,
                         public ui::ImplicitAnimationObserver {
  public:
+  METADATA_HEADER(WindowCycleView);
+
   WindowCycleView(aura::Window* root_window,
                   const WindowCycleList::WindowList& windows)
       : root_window_(root_window) {
@@ -863,6 +872,9 @@ class WindowCycleView : public views::WidgetDelegateView,
   std::unique_ptr<WmFlingHandler> fling_handler_;
 };
 
+BEGIN_METADATA(WindowCycleView, views::WidgetDelegateView)
+END_METADATA
+
 WindowCycleList::WindowCycleList(const WindowList& windows)
     : windows_(windows) {
   if (!ShouldShowUi())

ash/wm/window_mini_view.cc

@@ -15,6 +15,7 @@
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
+#include "ui/base/metadata/metadata_impl_macros.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/views/controls/image_view.h"
@@ -224,4 +225,7 @@ void WindowMiniView::OnWindowTitleChanged(aura::Window* window) {
   title_label_->SetText(GetWindowTitle(window));
 }
 
+BEGIN_METADATA(WindowMiniView, views::View)
+END_METADATA
+
 }  // namespace ash

ash/wm/window_mini_view.h

@@ -9,6 +9,7 @@
 #include "base/scoped_observation.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_observer.h"
+#include "ui/base/metadata/metadata_header_macros.h"
 #include "ui/views/controls/button/button.h"
 
 namespace views {
@@ -27,6 +28,8 @@ class WmHighlightItemBorder;
 class ASH_EXPORT WindowMiniView : public views::View,
                                   public aura::WindowObserver {
  public:
+  METADATA_HEADER(WindowMiniView);
+
   WindowMiniView(const WindowMiniView&) = delete;
   WindowMiniView& operator=(const WindowMiniView&) = delete;
   ~WindowMiniView() override;