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

content/port/browser/render_view_host_delegate_view.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_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 #define CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/public/common/context_menu_source_type.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
 
 class SkBitmap;
 struct WebDropData;
 struct WebMenuItem;
 
 namespace gfx {
 class ImageSkia;
-class Point;
 class Rect;
+class Vector2d;
 }
 
 namespace content {
 
 struct ContextMenuParams;
 
 // This class provides a way for the RenderViewHost to reach out to its
 // delegate's view. It only needs to be implemented by embedders if they don't
 // use the default WebContentsView implementations.
 class CONTENT_EXPORT RenderViewHostDelegateView {
@@ skipping 13 matching lines @@
                              const std::vector<WebMenuItem>& items,
                              bool right_aligned,
                              bool allow_multiple_selection) = 0;
 
   // The user started dragging content of the specified type within the
   // RenderView. Contextual information about the dragged content is supplied
   // by WebDropData.
   virtual void StartDragging(const WebDropData& drop_data,
                              WebKit::WebDragOperationsMask allowed_ops,
                              const gfx::ImageSkia& image,
-                             const gfx::Point& image_offset) {}
+                             const gfx::Vector2d& image_offset) {}
 
   // The page wants to update the mouse cursor during a drag & drop operation.
   // |operation| describes the current operation (none, move, copy, link.)
   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) {}
 
   // Notification that view for this delegate got the focus.
   virtual void GotFocus() {}
 
   // Callback to inform the browser that the page is returning the focus to
   // the browser's chrome. If reverse is true, it means the focus was
   // retrieved by doing a Shift-Tab.
   virtual void TakeFocus(bool reverse) {}
 
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_