Hide fullscreen rotation jank

content/renderer/gpu/render_widget_compositor.h

 // Copyright (c) 2013 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 CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 #define CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 111 matching lines @@
   void SetRootLayer(const blink::WebLayer& layer) override;
   void ClearRootLayer() override;
   cc::AnimationHost* CompositorAnimationHost() override;
   void SetViewportSize(const blink::WebSize& device_viewport_size) override;
   blink::WebSize GetViewportSize() const override;
   virtual blink::WebFloatPoint adjustEventPointForPinchZoom(
       const blink::WebFloatPoint& point) const;
   void SetDeviceScaleFactor(float device_scale) override;
   void SetBackgroundColor(blink::WebColor color) override;
   void SetVisible(bool visible) override;
+  void SetIsFullscreen(bool is_fullscreen) override;
   void SetPageScaleFactorAndLimits(float page_scale_factor,
                                    float minimum,
                                    float maximum) override;
   void StartPageScaleAnimation(const blink::WebPoint& destination,
                                bool use_anchor,
                                float new_page_scale,
                                double duration_sec) override;
   bool HasPendingPageScaleAnimation() const override;
   void HeuristicsForGpuRasterizationUpdated(bool matches_heuristics) override;
   void SetNeedsBeginFrame() override;
@@ skipping 105 matching lines @@
   cc::FrameSinkId frame_sink_id_;
 
   base::WeakPtrFactory<RenderWidgetCompositor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetCompositor);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_