[Installer] Moving GetRegistrationDataCommandKey() to setup_util.

This is a small refactoring that's needed for removal of legacy App Launcher
installer code (will need to use GetRegistrationDataCommandKey outside of
install_workers.cc).

Review URL: https://codereview.chromium.org/800353002

Cr-Commit-Position: refs/heads/master@{#308604}

chrome/installer/setup/install_worker.cc

@@ -187,17 +187,6 @@ void AddInstallerCopyTasks(const InstallerState& installer_state,
   }
 }
 
-base::string16 GetRegistrationDataCommandKey(
-    const AppRegistrationData& reg_data,
-    const wchar_t* name) {
-  base::string16 cmd_key(reg_data.GetVersionKey());
-  cmd_key.append(1, base::FilePath::kSeparators[0])
-      .append(google_update::kRegCommandsKey)
-      .append(1, base::FilePath::kSeparators[0])
-      .append(name);
-  return cmd_key;
-}
-
 base::string16 GetRegCommandKey(BrowserDistribution* dist,
                                 const wchar_t* name) {
   return GetRegistrationDataCommandKey(dist->GetAppRegistrationData(), name);

chrome/installer/setup/setup_util.cc

@@ -23,6 +23,7 @@
 #include "base/win/registry.h"
 #include "base/win/windows_version.h"
 #include "chrome/installer/setup/setup_constants.h"
+#include "chrome/installer/util/app_registration_data.h"
 #include "chrome/installer/util/copy_tree_work_item.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/installation_state.h"
@@ -455,6 +456,17 @@ bool IsProcessorSupported() {
   return base::CPU().has_sse2();
 }
 
+base::string16 GetRegistrationDataCommandKey(
+    const AppRegistrationData& reg_data,
+    const wchar_t* name) {
+  base::string16 cmd_key(reg_data.GetVersionKey());
+  cmd_key.append(1, base::FilePath::kSeparators[0])
+      .append(google_update::kRegCommandsKey)
+      .append(1, base::FilePath::kSeparators[0])
+      .append(name);
+  return cmd_key;
+}
+
 ScopedTokenPrivilege::ScopedTokenPrivilege(const wchar_t* privilege_name)
     : is_enabled_(false) {
   HANDLE temp_handle;

chrome/installer/setup/setup_util.h

@@ -17,6 +17,8 @@
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/util_constants.h"
 
+class AppRegistrationData;
+
 namespace base {
 class CommandLine;
 class FilePath;
@@ -115,6 +117,11 @@ bool ContainsUnsupportedSwitch(const base::CommandLine& cmd_line);
 // Returns true if the processor is supported by chrome.
 bool IsProcessorSupported();
 
+// Returns the "...\\Commands\\|name|" registry key for a product's |reg_data|.
+base::string16 GetRegistrationDataCommandKey(
+    const AppRegistrationData& reg_data,
+    const wchar_t* name);
+
 // This class will enable the privilege defined by |privilege_name| on the
 // current process' token. The privilege will be disabled upon the
 // ScopedTokenPrivilege's destruction (unless it was already enabled when the

chrome/installer/setup/setup_util_unittest.cc

@@ -15,6 +15,7 @@
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/process/process_handle.h"
+#include "base/strings/string_util.h"
 #include "base/test/test_reg_util_win.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
@@ -26,6 +27,7 @@
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/installation_state.h"
 #include "chrome/installer/util/installer_state.h"
+#include "chrome/installer/util/updating_app_registration_data.h"
 #include "chrome/installer/util/util_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -494,3 +496,11 @@ TEST(SetupUtilTest, ContainsUnsupportedSwitch) {
   EXPECT_TRUE(installer::ContainsUnsupportedSwitch(
       CommandLine::FromString(L"foo.exe --chrome-frame")));
 }
+
+TEST(SetupUtilTest, GetRegistrationDataCommandKey) {
+  base::string16 app_guid = L"{AAAAAAAA-BBBB-1111-0123-456789ABCDEF}";
+  UpdatingAppRegistrationData reg_data(app_guid);
+  base::string16 key =
+      installer::GetRegistrationDataCommandKey(reg_data, L"test_name");
+  EXPECT_TRUE(EndsWith(key, app_guid + L"\\Commands\\test_name", true));
+}