Refactoring the ownership of ui::InputMethod.

ui/views/widget/desktop_aura/desktop_window_tree_host_win.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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
 
 #include "ui/aura/window_tree_host.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
@@ skipping 14 matching lines @@
 class HWNDMessageHandler;
 
 namespace corewm {
 class TooltipWin;
 }
 
 class VIEWS_EXPORT DesktopWindowTreeHostWin
     : public DesktopWindowTreeHost,
       public aura::client::AnimationHost,
       public aura::WindowTreeHost,
-      public ui::EventSource,
       public HWNDMessageHandlerDelegate {
  public:
   DesktopWindowTreeHostWin(
       internal::NativeWidgetDelegate* native_widget_delegate,
       DesktopNativeWidgetAura* desktop_native_widget_aura);
   ~DesktopWindowTreeHostWin() override;
 
   // A way of converting an HWND into a content window.
   static aura::Window* GetContentWindowForHWND(HWND hwnd);
 
@@ skipping 66 matching lines @@
   void HideImpl() override;
   gfx::Rect GetBounds() const override;
   void SetBounds(const gfx::Rect& bounds) override;
   gfx::Point GetLocationOnNativeScreen() const override;
   void SetCapture() override;
   void ReleaseCapture() override;
   void SetCursorNative(gfx::NativeCursor cursor) override;
   void OnCursorVisibilityChangedNative(bool show) override;
   void MoveCursorToNative(const gfx::Point& location) override;
 
-  // Overridden frm ui::EventSource
-  ui::EventProcessor* GetEventProcessor() override;
-
   // Overridden from aura::client::AnimationHost
   void SetHostTransitionOffsets(
       const gfx::Vector2d& top_left_delta,
       const gfx::Vector2d& bottom_right_delta) override;
   void OnWindowHidingAnimationCompleted() override;
 
   // Overridden from HWNDMessageHandlerDelegate:
   bool IsWidgetWindow() const override;
   bool IsUsingCustomFrame() const override;
   void SchedulePaint() override;
   void EnableInactiveRendering() override;
   bool IsInactiveRenderingDisabled() override;
   bool CanResize() const override;
   bool CanMaximize() const override;
   bool CanMinimize() const override;
   bool CanActivate() const override;
   bool WidgetSizeIsClientSize() const override;
   bool IsModal() const override;
   int GetInitialShowState() const override;
   bool WillProcessWorkAreaChange() const override;
   int GetNonClientComponent(const gfx::Point& point) const override;
   void GetWindowMask(const gfx::Size& size, gfx::Path* path) override;
   bool GetClientAreaInsets(gfx::Insets* insets) const override;
   void GetMinMaxSize(gfx::Size* min_size, gfx::Size* max_size) const override;
   gfx::Size GetRootViewSize() const override;
   void ResetWindowControls() override;
   gfx::NativeViewAccessible GetNativeViewAccessible() override;
   bool ShouldHandleSystemCommands() const override;
-  InputMethod* GetInputMethod() override;
   void HandleAppDeactivated() override;
   void HandleActivationChanged(bool active) override;
   bool HandleAppCommand(short command) override;
   void HandleCancelMode() override;
   void HandleCaptureLost() override;
   void HandleClose() override;
   bool HandleCommand(int command) override;
   void HandleAccelerator(const ui::Accelerator& accelerator) override;
   void HandleCreate() override;
   void HandleDestroying() override;
@@ skipping 94 matching lines @@
   static bool is_cursor_visible_;
 
   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_