x11: Move X event handling out of the message-pump.

ui/views/widget/desktop_aura/x11_whole_screen_move_loop.h

 // Copyright (c) 2013 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_X11_WHOLE_SCREEN_MOVE_LOOP_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WHOLE_SCREEN_MOVE_LOOP_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_pump_dispatcher.h"
+#include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/vector2d_f.h"
 #include "ui/views/widget/desktop_aura/x11_whole_screen_move_loop_delegate.h"
 
 typedef struct _XDisplay XDisplay;
 
 namespace aura {
 class Window;
 }
 
 namespace views {
 
 class Widget;
 
 // Runs a nested message loop and grabs the mouse. This is used to implement
 // dragging.
-class X11WholeScreenMoveLoop : public base::MessagePumpDispatcher {
+class X11WholeScreenMoveLoop : public ui::PlatformEventDispatcher {
  public:
   explicit X11WholeScreenMoveLoop(X11WholeScreenMoveLoopDelegate* delegate);
   virtual ~X11WholeScreenMoveLoop();
 
-  // Overridden from base::MessagePumpDispatcher:
-  virtual uint32_t Dispatch(const base::NativeEvent& event) OVERRIDE;
+  // ui:::PlatformEventDispatcher:
+  virtual bool CanDispatchEvent(const ui::PlatformEvent& event) OVERRIDE;
+  virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) OVERRIDE;
 
   // Runs the nested message loop. While the mouse is grabbed, use |cursor| as
   // the mouse cursor. Returns true if there we were able to grab the pointer
   // and run the move loop.
   bool RunMoveLoop(aura::Window* window, gfx::NativeCursor cursor);
 
   // Updates the cursor while the move loop is running.
   void UpdateCursor(gfx::NativeCursor cursor);
 
   // Ends the RunMoveLoop() that's currently in progress.
@@ skipping 41 matching lines @@
   gfx::Vector2dF drag_offset_;
   XMotionEvent last_xmotion_;
   base::WeakPtrFactory<X11WholeScreenMoveLoop> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(X11WholeScreenMoveLoop);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WHOLE_SCREEN_MOVE_LOOP_H_