cc: Use BeginFrameArgs

cc/test/fake_layer_tree_host_impl_client.h

Index: cc/test/fake_layer_tree_host_impl_client.h
diff --git a/cc/test/fake_layer_tree_host_impl_client.h b/cc/test/fake_layer_tree_host_impl_client.h
index efc40f2150ac756cd5fd7aa4584e9b51ed4fe5ae..fdd14bedde6b44e425e1a89ca67ab4cf02822e5e 100644
--- a/cc/test/fake_layer_tree_host_impl_client.h
+++ b/cc/test/fake_layer_tree_host_impl_client.h
@@ -12,6 +12,10 @@ namespace cc {
 
 class FakeLayerTreeHostImplClient : public LayerTreeHostImplClient {
  public:
+  void SetLayerTreeHostImpl(LayerTreeHostImpl *host_impl) {
+    host_impl_ = host_impl;
+  }
+
   // LayerTreeHostImplClient implementation.
   virtual void DidTryInitializeRendererOnImplThread(
       bool success,
@@ -21,6 +25,9 @@ class FakeLayerTreeHostImplClient : public LayerTreeHostImplClient {
   virtual void BeginFrameOnImplThread(const BeginFrameArgs& args)
       OVERRIDE {}
   virtual void OnCanDrawStateChanged(bool can_draw) OVERRIDE {}
+  virtual void NotifyReadyToActivate() OVERRIDE {
+    host_impl_->ActivatePendingTree();
+  }
   virtual void OnHasPendingTreeStateChanged(bool has_pending_tree) OVERRIDE {}
   virtual void SetNeedsRedrawOnImplThread() OVERRIDE {}
   virtual void SetNeedsRedrawRectOnImplThread(gfx::Rect damage_rect) OVERRIDE {}
@@ -39,6 +46,9 @@ class FakeLayerTreeHostImplClient : public LayerTreeHostImplClient {
   virtual void RequestScrollbarAnimationOnImplThread(base::TimeDelta)
       OVERRIDE {}
   virtual void DidActivatePendingTree() OVERRIDE {}
+
+ protected:
+  LayerTreeHostImpl *host_impl_;
 };
 
 }  // namespace cc