Consolidate message observer API for win and aura (and touch).

chrome/browser/ui/views/tabs/dragged_tab_controller.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 135 matching lines @@
   virtual bool ShouldSuppressDialogs() OVERRIDE;
   virtual content::JavaScriptDialogCreator*
       GetJavaScriptDialogCreator() OVERRIDE;
 
   // Overridden from NotificationObserver:
   virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details) OVERRIDE;
 
   // Overridden from MessageLoop::Observer:
-#if defined(OS_WIN)
-  virtual void WillProcessMessage(const MSG& msg) OVERRIDE;
-  virtual void DidProcessMessage(const MSG& msg) OVERRIDE;
-#elif defined(TOUCH_UI)
-  virtual EventStatus WillProcessXEvent(XEvent* xevent) OVERRIDE;
+#if defined(OS_WIN) || defined(TOUCH_UI) || defined(USE_AURA)
+  virtual base::EventStatus WillProcessEvent(
+      const base::NativeEvent& event) OVERRIDE;
+  virtual void DidProcessEvent(const base::NativeEvent& event) OVERRIDE;
 #elif defined(TOOLKIT_USES_GTK)
   virtual void WillProcessEvent(GdkEvent* event) OVERRIDE;
   virtual void DidProcessEvent(GdkEvent* event) OVERRIDE;
 #endif
 
   // Initialize the offset used to calculate the position to create windows
   // in |GetWindowCreatePoint|. This should only be invoked from |Init|.
   void InitWindowCreatePoint();
 
   // Returns the point where a detached window should be created given the
@@ skipping 200 matching lines @@
   // Index of the source tab in drag_data_.
   size_t source_tab_index_;
 
   // True until |MoveAttached| is invoked once.
   bool initial_move_;
 
   DISALLOW_COPY_AND_ASSIGN(DraggedTabController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_DRAGGED_TAB_CONTROLLER_H_