cc: Remove all remaining use of WebCore Rect/Point/Size types from the compositor.

cc/test/fake_layer_tree_host_client.h

Index: cc/test/fake_layer_tree_host_client.h
diff --git a/cc/test/fake_layer_tree_host_client.h b/cc/test/fake_layer_tree_host_client.h
index 2cdf93c734680e8e529f1d5f8bb43b394e4650e3..180c34d4a56f2cc8d28194290410fdf0c3118e98 100644
--- a/cc/test/fake_layer_tree_host_client.h
+++ b/cc/test/fake_layer_tree_host_client.h
@@ -20,7 +20,7 @@ public:
     virtual void didBeginFrame() OVERRIDE { }
     virtual void animate(double monotonicFrameBeginTime) OVERRIDE { }
     virtual void layout() OVERRIDE { }
-    virtual void applyScrollAndScale(const IntSize& scrollDelta, float pageScale) OVERRIDE { }
+    virtual void applyScrollAndScale(gfx::Vector2d scrollDelta, float pageScale) OVERRIDE { }
 
     virtual scoped_ptr<WebKit::WebCompositorOutputSurface> createOutputSurface() OVERRIDE;
     virtual void didRecreateOutputSurface(bool success) OVERRIDE { }