Move TabContentsDragWin to content and rename it to WebContentsDragWin.

chrome/browser/ui/views/tab_contents/tab_contents_drag_win.h

Index: chrome/browser/ui/views/tab_contents/tab_contents_drag_win.h
===================================================================
--- chrome/browser/ui/views/tab_contents/tab_contents_drag_win.h	(revision 124924)
+++ chrome/browser/ui/views/tab_contents/tab_contents_drag_win.h	(working copy)
@@ -1,113 +0,0 @@
-// 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 CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_DRAG_WIN_H_
-#define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_DRAG_WIN_H_
-#pragma once
-
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/platform_thread.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/dragdrop/os_exchange_data_provider_win.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/point.h"
-
-class DragDropThread;
-class WebDragDest;
-class WebDragSource;
-struct WebDropData;
-
-namespace content {
-class WebContents;
-}
-
-// Windows-specific drag-and-drop handling in WebContentsView.
-// If we are dragging a virtual file out of the browser, we use a background
-// thread to do the drag-and-drop because we do not want to run nested
-// message loop in the UI thread. For all other cases, the drag-and-drop happens
-// in the UI thread.
-class TabContentsDragWin
-    : public ui::DataObjectImpl::Observer,
-      public base::RefCountedThreadSafe<TabContentsDragWin> {
- public:
-  TabContentsDragWin(gfx::NativeWindow source_window,
-                     content::WebContents* web_contents,
-                     WebDragDest* drag_dest,
-                     const base::Callback<void()>& drag_end_callback);
-  virtual ~TabContentsDragWin();
-
-  // Called on UI thread.
-  void StartDragging(const WebDropData& drop_data,
-                     WebKit::WebDragOperationsMask ops,
-                     const SkBitmap& image,
-                     const gfx::Point& image_offset);
-  void CancelDrag();
-
-  // DataObjectImpl::Observer implementation.
-  // Called on drag-and-drop thread.
-  virtual void OnWaitForData();
-  virtual void OnDataObjectDisposed();
-
- private:
-  // Called on either UI thread or drag-and-drop thread.
-  void PrepareDragForDownload(const WebDropData& drop_data,
-                              ui::OSExchangeData* data,
-                              const GURL& page_url,
-                              const std::string& page_encoding);
-  void PrepareDragForFileContents(const WebDropData& drop_data,
-                                  ui::OSExchangeData* data);
-  void PrepareDragForUrl(const WebDropData& drop_data,
-                         ui::OSExchangeData* data);
-  void DoDragging(const WebDropData& drop_data,
-                  WebKit::WebDragOperationsMask ops,
-                  const GURL& page_url,
-                  const std::string& page_encoding,
-                  const SkBitmap& image,
-                  const gfx::Point& image_offset);
-
-  // Called on drag-and-drop thread.
-  void StartBackgroundDragging(const WebDropData& drop_data,
-                               WebKit::WebDragOperationsMask ops,
-                               const GURL& page_url,
-                               const std::string& page_encoding,
-                               const SkBitmap& image,
-                               const gfx::Point& image_offset);
-  // Called on UI thread.
-  void EndDragging(bool restore_suspended_state);
-  void CloseThread();
-
-  // For debug check only. Access only on drag-and-drop thread.
-  base::PlatformThreadId drag_drop_thread_id_;
-
-  // All the member variables below are accessed on UI thread.
-
-  gfx::NativeWindow source_window_;
-  content::WebContents* web_contents_;
-  WebDragDest* drag_dest_;
-
-  // |drag_source_| is our callback interface passed to the system when we
-  // want to initiate a drag and drop operation.  We use it to tell if a
-  // drag operation is happening.
-  scoped_refptr<WebDragSource> drag_source_;
-
-  // The thread used by the drag-out download. This is because we want to avoid
-  // running nested message loop in main UI thread.
-  scoped_ptr<DragDropThread> drag_drop_thread_;
-
-  // The flag to guard that EndDragging is not called twice.
-  bool drag_ended_;
-
-  // Keep track of the old suspended state of the drop target.
-  bool old_drop_target_suspended_state_;
-
-  base::Callback<void()> drag_end_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(TabContentsDragWin);
-};
-
-
-#endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_DRAG_WIN_H_