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

content/port/browser/render_widget_host_view_port.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_WIDGET_HOST_VIEW_PORT_H_
 #define CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 
 #include "base/callback.h"
 #include "base/process_util.h"
 #include "base/string16.h"
@@ skipping 61 matching lines @@
 
   // Notifies the View that it has become visible.
   virtual void WasShown() = 0;
 
   // Notifies the View that it has been hidden.
   virtual void WasHidden() = 0;
 
   // Moves all plugin windows as described in the given list.
   // |scroll_offset| is the scroll offset of the render view.
   virtual void MovePluginWindows(
-      const gfx::Point& scroll_offset,
+      const gfx::Vector2d& scroll_offset,
       const std::vector<webkit::npapi::WebPluginGeometry>& moves) = 0;
 
   // Take focus from the associated View component.
   virtual void Blur() = 0;
 
   // Sets the cursor to the one associated with the specified cursor_type
   virtual void UpdateCursor(const WebCursor& cursor) = 0;
 
   // Indicates whether the page has finished loading.
   virtual void SetIsLoading(bool is_loading) = 0;
@@ skipping 129 matching lines @@
   virtual void AcceleratedSurfaceSetTransportDIB(
       gfx::PluginWindowHandle window,
       int32 width,
       int32 height,
       TransportDIB::Handle transport_dib) = 0;
 #endif
 
 #if defined(OS_ANDROID)
   virtual void SetCachedPageScaleFactorLimits(float minimum_scale,
                                               float maximum_scale) = 0;
-  virtual void UpdateFrameInfo(const gfx::Point& scroll_offset,
+  virtual void UpdateFrameInfo(const gfx::Vector2d& scroll_offset,
                                float page_scale_factor,
                                const gfx::Size& content_size) = 0;
   virtual void HasTouchEventHandlers(bool need_touch_events) = 0;
 #endif
 
   virtual void AcceleratedSurfaceNew(
       int32 width_in_pixel,
       int32 height_in_pixel,
       uint64 surface_id) {}
   virtual void AcceleratedSurfaceRelease(uint64 surface_id) {}
@@ skipping 43 matching lines @@
   virtual BrowserAccessibilityManager*
       GetBrowserAccessibilityManager() const = 0;
   virtual void OnAccessibilityNotifications(
       const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_