Move more dnd related files to ui/base

chrome/browser/tab_contents/web_drag_source_win.h

 // Copyright (c) 2010 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_TAB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_
 #define CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_
 #pragma once
 
-#include "app/win/drag_source.h"
 #include "base/basictypes.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "gfx/native_widget_types.h"
 #include "gfx/point.h"
+#include "ui/base/dragdrop/drag_source.h"
 
 class RenderViewHost;
 class TabContents;
 
 // An IDropSource implementation for a TabContents. Handles notifications sent
 // by an active drag-drop operation as the user mouses over other drop targets
 // on their system. This object tells Windows whether or not the drag should
 // continue, and supplies the appropriate cursors.
-class WebDragSource : public app::win::DragSource,
+class WebDragSource : public ui::DragSource,
                       public NotificationObserver {
  public:
   // Create a new DragSource for a given HWND and TabContents.
   WebDragSource(gfx::NativeWindow source_wnd, TabContents* tab_contents);
   virtual ~WebDragSource();
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   void set_effect(DWORD effect) { effect_ = effect; }
 
  protected:
-  // app::win::DragSource
+  // ui::DragSource
   virtual void OnDragSourceCancel();
   virtual void OnDragSourceDrop();
   virtual void OnDragSourceMove();
 
  private:
   // Cannot construct thusly.
   WebDragSource();
 
   // OnDragSourceDrop schedules its main work to be done after IDropTarget::Drop
   // by posting a task to this function.
   void DelayedOnDragSourceDrop();
 
   // Keep a reference to the window so we can translate the cursor position.
   gfx::NativeWindow source_wnd_;
 
   // We use this as a channel to the renderer to tell it about various drag
   // drop events that it needs to know about (such as when a drag operation it
   // initiated terminates).
   RenderViewHost* render_view_host_;
 
   NotificationRegistrar registrar_;
 
   DWORD effect_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDragSource);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_SOURCE_WIN_H_