Update from https://crrev.com/315085

cc/trees/layer_tree_host_client.h

Index: cc/trees/layer_tree_host_client.h
diff --git a/cc/trees/layer_tree_host_client.h b/cc/trees/layer_tree_host_client.h
index ac025f2ef7078b8ed8a4def8ae35715ba6f08627..574325b1c5b2431fa29e7b2a67fb95255e7609a8 100644
--- a/cc/trees/layer_tree_host_client.h
+++ b/cc/trees/layer_tree_host_client.h
@@ -22,15 +22,15 @@ struct BeginFrameArgs;
 
 class LayerTreeHostClient {
  public:
-  virtual void WillBeginMainFrame(int frame_id) = 0;
+  virtual void WillBeginMainFrame() = 0;
   // Marks finishing compositing-related tasks on the main thread. In threaded
   // mode, this corresponds to DidCommit().
   virtual void BeginMainFrame(const BeginFrameArgs& args) = 0;
   virtual void DidBeginMainFrame() = 0;
   virtual void Layout() = 0;
   virtual void ApplyViewportDeltas(
-      const gfx::Vector2d& inner_delta,
-      const gfx::Vector2d& outer_delta,
+      const gfx::Vector2dF& inner_delta,
+      const gfx::Vector2dF& outer_delta,
       const gfx::Vector2dF& elastic_overscroll_delta,
       float page_scale,
       float top_controls_delta) = 0;