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

ui/base/dragdrop/os_exchange_data_provider_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 UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_
 #define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_
 
 #include <gtk/gtk.h>
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/pickle.h"
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/gfx/point.h"
+#include "ui/gfx/vector2d.h"
 
 namespace ui {
 
 // OSExchangeData::Provider implementation for Gtk. OSExchangeDataProviderGtk
 // is created with a set of known data types. In addition specific data
 // types can be set on OSExchangeDataProviderGtk by way of the various setters.
 // The various has methods return true if the format was supplied to the
 // constructor, or explicitly set.
 class UI_EXPORT OSExchangeDataProviderGtk : public OSExchangeData::Provider {
  public:
@@ skipping 48 matching lines @@
   virtual bool GetPickledData(OSExchangeData::CustomFormat format,
                               Pickle* data) const OVERRIDE;
   virtual bool HasString() const OVERRIDE;
   virtual bool HasURL() const OVERRIDE;
   virtual bool HasFile() const OVERRIDE;
   virtual bool HasCustomFormat(
       OSExchangeData::CustomFormat format) const OVERRIDE;
 
   // Set the image and cursor offset data for this drag.  Will
   // increment the ref count of pixbuf.
-  void SetDragImage(GdkPixbuf* pixbuf, const gfx::Point& cursor_offset);
+  void SetDragImage(GdkPixbuf* pixbuf, const gfx::Vector2d& cursor_offset);
   GdkPixbuf* drag_image() const { return drag_image_; }
-  gfx::Point cursor_offset() const { return cursor_offset_; }
+  gfx::Vector2d cursor_offset() const { return cursor_offset_; }
 
  private:
   typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;
 
   // Returns true if |formats_| contains a string format and the string can be
   // parsed as a URL.
   bool GetPlainTextURL(GURL* url) const;
 
   // These are the possible formats the OSExchangeData may contain. Don't
   // confuse this with the actual formats that have been set, which are
@@ skipping 13 matching lines @@
   string16 title_;
 
   // File name.
   FilePath filename_;
 
   // PICKLED_DATA contents.
   PickleData pickle_data_;
 
   // Drag image and offset data.
   GdkPixbuf* drag_image_;
-  gfx::Point cursor_offset_;
+  gfx::Vector2d cursor_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderGtk);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_