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

content/browser/web_contents/web_drag_source_gtk.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_WEB_CONTENTS_WEB_DRAG_SOURCE_GTK_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/message_loop.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/gtk_signal_registrar.h"
 #include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/point.h"
+#include "ui/gfx/vector2d.h"
 
 class SkBitmap;
 struct WebDropData;
 
 namespace content {
 
 class RenderViewHostImpl;
 class WebContents;
 
 // WebDragSourceGtk takes care of managing the drag from a WebContents
 // with Gtk.
 class CONTENT_EXPORT WebDragSourceGtk : public MessageLoopForUI::Observer {
  public:
   explicit WebDragSourceGtk(WebContents* web_contents);
   virtual ~WebDragSourceGtk();
 
   // Starts a drag for the WebContents this WebDragSourceGtk was created for.
   void StartDragging(const WebDropData& drop_data,
                      WebKit::WebDragOperationsMask allowed_ops,
                      GdkEventButton* last_mouse_down,
                      const SkBitmap& image,
-                     const gfx::Point& image_offset);
+                     const gfx::Vector2d& image_offset);
 
   // MessageLoop::Observer implementation:
   virtual void WillProcessEvent(GdkEvent* event) OVERRIDE;
   virtual void DidProcessEvent(GdkEvent* event) OVERRIDE;
 
  private:
   CHROMEGTK_CALLBACK_2(WebDragSourceGtk, gboolean, OnDragFailed,
                        GdkDragContext*, GtkDragResult);
   CHROMEGTK_CALLBACK_1(WebDragSourceGtk, void, OnDragBegin,
                        GdkDragContext*);
@@ skipping 10 matching lines @@
   // The tab we're manging the drag for.
   WebContents* web_contents_;
 
   // The drop data for the current drag (for drags that originate in the render
   // view). Non-NULL iff there is a current drag.
   scoped_ptr<WebDropData> drop_data_;
 
   // The image used for depicting the drag, and the offset between the cursor
   // and the top left pixel.
   GdkPixbuf* drag_pixbuf_;
-  gfx::Point image_offset_;
+  gfx::Vector2d image_offset_;
 
   // The mime type for the file contents of the current drag (if any).
   GdkAtom drag_file_mime_type_;
 
   // Whether the current drag has failed. Meaningless if we are not the source
   // for a current drag.
   bool drag_failed_;
 
   // This is the widget we use to initiate drags. Since we don't use the
   // renderer widget, we can persist drags even when our contents is switched
@@ skipping 20 matching lines @@
   GtkWidget* drag_icon_;
 
   ui::GtkSignalRegistrar signals_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDragSourceGtk);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_DRAG_SOURCE_GTK_H_