Make scroll offset type of float in cc

cc/blink/web_layer_impl.h

Index: cc/blink/web_layer_impl.h
diff --git a/cc/blink/web_layer_impl.h b/cc/blink/web_layer_impl.h
index 3a8130e30b4b068fa45108b7cbf1bdc3aa123bf2..224e8c03f2b0ae558e2fdde517f178a5c48897a4 100644
--- a/cc/blink/web_layer_impl.h
+++ b/cc/blink/web_layer_impl.h
@@ -102,6 +102,10 @@ class WebLayerImpl : public blink::WebLayer, public cc::LayerClient {
   virtual void pauseAnimation(int animation_id, double time_offset);
   virtual bool hasActiveAnimation();
   virtual void setForceRenderSurface(bool force);
+  // TODO(miletus@): Remove the WebPoint version once blink side starts to

[danakj, 2014/09/18 21:21:52]

nit: no @

[Yufeng Shen (Slow to review), 2014/09/18 22:47:55]

Done.

+  // use the WebFloatPoint version.
+  virtual void setScrollPositionFloat(blink::WebFloatPoint position);
+  virtual blink::WebFloatPoint scrollPositionFloat() const;
   virtual void setScrollPosition(blink::WebPoint position);
   virtual blink::WebPoint scrollPosition() const;
   virtual void setScrollClipLayer(blink::WebLayer* clip_layer);