Refactoring the ownership of ui::InputMethod.

ui/views/widget/desktop_aura/desktop_window_tree_host_x11.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_X11_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_
 
 #include <X11/extensions/shape.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
@@ skipping 25 matching lines @@
 namespace views {
 class DesktopDragDropClientAuraX11;
 class DesktopDispatcherClient;
 class DesktopWindowTreeHostObserverX11;
 class X11DesktopWindowMoveClient;
 class X11WindowEventFilter;
 
 class VIEWS_EXPORT DesktopWindowTreeHostX11
     : public DesktopWindowTreeHost,
       public aura::WindowTreeHost,
-      public ui::EventSource,
       public ui::PlatformEventDispatcher {
  public:
   DesktopWindowTreeHostX11(
       internal::NativeWidgetDelegate* native_widget_delegate,
       DesktopNativeWidgetAura* desktop_native_widget_aura);
   ~DesktopWindowTreeHostX11() override;
 
   // A way of converting an X11 |xid| host window into a |content_window_|.
   static aura::Window* GetContentWindowForXID(XID xid);
 
@@ skipping 98 matching lines @@
   void Hide() override;
   gfx::Rect GetBounds() const override;
   void SetBounds(const gfx::Rect& requested_bounds_in_pixels) override;
   gfx::Point GetLocationOnNativeScreen() const override;
   void SetCapture() override;
   void ReleaseCapture() override;
   void SetCursorNative(gfx::NativeCursor cursor) override;
   void MoveCursorToNative(const gfx::Point& location) override;
   void OnCursorVisibilityChangedNative(bool show) override;
 
-  // Overridden frm ui::EventSource
-  ui::EventProcessor* GetEventProcessor() override;
-
  private:
   friend class DesktopWindowTreeHostX11HighDPITest;
   // Initializes our X11 surface to draw on. This method performs all
   // initialization related to talking to the X11 server.
   void InitX11Window(const Widget::InitParams& params);
 
   // Creates an aura::WindowEventDispatcher to contain the |content_window|,
   // along with all aura client objects that direct behavior.
   aura::WindowEventDispatcher* InitDispatcher(const Widget::InitParams& params);
 
@@ skipping 172 matching lines @@
   base::CancelableCallback<void()> delayed_resize_task_;
 
   base::WeakPtrFactory<DesktopWindowTreeHostX11> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostX11);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_