mash: Migrate ScopedTargetRootWindow to //ash/common

ash/shell.h

 // Copyright (c) 2012 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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 93 matching lines @@
 class OverlayEventFilter;
 class PartialMagnificationController;
 class PointerWatcherDelegate;
 class PowerButtonController;
 class PowerEventObserver;
 class ProjectingObserver;
 class ResizeShadowController;
 class ResolutionNotificationController;
 class RootWindowController;
 class ScopedOverviewAnimationSettingsFactoryAura;
-class ScopedTargetRootWindow;
 class ScreenAsh;
 class ScreenOrientationController;
 class ScreenshotController;
 class ScreenPinningController;
 class ScreenPositionController;
 class SessionStateDelegate;
 class Shelf;
 class ShelfWindowWatcher;
 class ShellDelegate;
 struct ShellInitParams;
@@ skipping 54 matching lines @@
   // Returns all root window controllers.
   // TODO(oshima): move this to |RootWindowController|
   static RootWindowControllerList GetAllRootWindowControllers();
 
   // Returns the primary root Window. The primary root Window is the one that
   // has a launcher.
   static aura::Window* GetPrimaryRootWindow();
 
   // Returns a root Window when used as a target when creating a new window.
   // The root window of the active window is used in most cases, but can
-  // be overridden by using ScopedTargetRootWindow().
+  // be overridden by using ScopedRootWindowForNewWindows.
   // If you want to get the root Window of the active window, just use
   // |wm::GetActiveWindow()->GetRootWindow()|.
+  // TODO(jamescook): Rename to GetRootWindowForNewWindows.
   static aura::Window* GetTargetRootWindow();
 
   // Returns the id of the display::Display corresponding to the window returned
   // by |GetTargetRootWindow()|
   static int64_t GetTargetDisplayId();
 
   // Returns all root windows.
   static aura::Window::Windows GetAllRootWindows();
 
   static aura::Window* GetContainer(aura::Window* root_window,
@@ skipping 271 matching lines @@
     return screen_pinning_controller_.get();
   }
 
   GPUSupport* gpu_support() { return gpu_support_.get(); }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ExtendedDesktopTest, TestCursor);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, MouseEventCursors);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, TransformActivate);
   friend class RootWindowController;
-  friend class ScopedTargetRootWindow;
+  friend class ScopedRootWindowForNewWindowsAura;
   friend class test::ShellTestApi;
   friend class shell::WindowWatcher;
 
   typedef std::pair<aura::Window*, gfx::Rect> WindowAndBoundsPair;
 
   // Takes ownership of |delegate|.
   Shell(ShellDelegate* delegate, base::SequencedWorkerPool* blocking_pool);
   ~Shell() override;
 
   void Init(const ShellInitParams& init_params);
@@ skipping 151 matching lines @@
   base::SequencedWorkerPool* blocking_pool_;
 
   bool in_mus_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_