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

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index b7b5ef0f7767293b6325c4adc6b1d4750817a32b..43212a17563e8f18a2303a1375f04a9011ce3602 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -56,7 +56,7 @@ class RenderWidgetHostViewAndroid : public RenderWidgetHostViewBase {
   virtual gfx::NativeViewId GetNativeViewId() const OVERRIDE;
   virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
   virtual void MovePluginWindows(
-      const gfx::Point& scroll_offset,
+      const gfx::Vector2d& scroll_offset,
       const std::vector<webkit::npapi::WebPluginGeometry>& moves) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void Blur() OVERRIDE;
@@ -120,7 +120,7 @@ class RenderWidgetHostViewAndroid : public RenderWidgetHostViewBase {
   virtual void SetCachedBackgroundColor(SkColor color) OVERRIDE;
   virtual void SetCachedPageScaleFactorLimits(float minimum_scale,
                                               float maximum_scale) OVERRIDE;
-  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) OVERRIDE;