Hide fullscreen rotation jank

cc/trees/proxy_main.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_PROXY_MAIN_H_
 #define CC_TREES_PROXY_MAIN_H_
 
 #include "base/macros.h"
 #include "cc/cc_export.h"
 #include "cc/input/browser_controls_state.h"
@@ skipping 51 matching lines @@
     return final_pipeline_stage_;
   }
 
  private:
   // Proxy implementation.
   bool IsStarted() const override;
   bool CommitToActiveTree() const override;
   void SetCompositorFrameSink(
       CompositorFrameSink* compositor_frame_sink) override;
   void SetVisible(bool visible) override;
+  void SetIsFullscreen(bool is_fullscreen) override;
   void SetNeedsAnimate() override;
   void SetNeedsUpdateLayers() override;
   void SetNeedsCommit() override;
   void SetNeedsRedraw(const gfx::Rect& damage_rect) override;
   void SetNextCommitWaitsForActivation() override;
   void NotifyInputThrottledUntilCommit() override;
   void SetDeferCommits(bool defer_commits) override;
   bool CommitRequested() const override;
   void MainThreadHasStoppedFlinging() override;
   void Start() override;
@@ skipping 53 matching lines @@
   base::WeakPtrFactory<ProxyMain> frame_sink_bound_weak_factory_;
 
   base::WeakPtrFactory<ProxyMain> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyMain);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_MAIN_H_