Add Vector2d classes that represent offsets, instead of using Point.

content/browser/renderer_host/render_view_host_impl.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 522 matching lines @@
                                  const GURL& frame_url,
                                  JavaScriptMessageType type,
                                  IPC::Message* reply_msg);
   void OnMsgRunBeforeUnloadConfirm(const GURL& frame_url,
                                    const string16& message,
                                    bool is_reload,
                                    IPC::Message* reply_msg);
   void OnMsgStartDragging(const WebDropData& drop_data,
                           WebKit::WebDragOperationsMask operations_allowed,
                           const SkBitmap& bitmap,
-                          const gfx::Point& bitmap_offset_in_dip);
+                          const gfx::Vector2d& bitmap_offset_in_dip);
   void OnUpdateDragCursor(WebKit::WebDragOperation drag_operation);
   void OnTargetDropACK();
   void OnTakeFocus(bool reverse);
   void OnFocusedNodeChanged(bool is_editable_node);
   void OnAddMessageToConsole(int32 level,
                              const string16& message,
                              int32 line_no,
                              const string16& source_id);
   void OnUpdateInspectorSetting(const std::string& key,
                                 const std::string& value);
@@ skipping 145 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_