Hide fullscreen rotation jank

cc/trees/layer_tree_host.h

 // Copyright 2011 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_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 118 matching lines @@
   SwapPromiseManager* GetSwapPromiseManager();
 
   // Sets whether the content is suitable to use Gpu Rasterization.
   void SetHasGpuRasterizationTrigger(bool has_trigger);
 
   // Visibility and CompositorFrameSink -------------------------------
 
   void SetVisible(bool visible);
   bool IsVisible() const;
 
+  void SetIsFullscreen(bool is_fullscreen);
+
   // Called in response to an CompositorFrameSink request made to the client
   // using LayerTreeHostClient::RequestNewCompositorFrameSink. The client will
   // be informed of the CompositorFrameSink initialization status using
   // DidInitializaCompositorFrameSink or DidFailToInitializeCompositorFrameSink.
   // The request is completed when the host successfully initializes an
   // CompositorFrameSink.
   void SetCompositorFrameSink(
       std::unique_ptr<CompositorFrameSink> compositor_frame_sink);
 
   // Forces the host to immediately release all references to the
@@ skipping 395 matching lines @@
   // contains the new CompositorFrameSink that is currently being initialized.
   // If initialization is successful then |new_compositor_frame_sink_| replaces
   // |current_compositor_frame_sink_|.
   std::unique_ptr<CompositorFrameSink> new_compositor_frame_sink_;
   std::unique_ptr<CompositorFrameSink> current_compositor_frame_sink_;
 
   const LayerTreeSettings settings_;
   LayerTreeDebugState debug_state_;
 
   bool visible_ = false;
+  bool is_fullscreen_ = false;
 
   bool has_gpu_rasterization_trigger_ = false;
   bool content_is_suitable_for_gpu_rasterization_ = true;
   bool gpu_rasterization_histogram_recorded_ = false;
 
   // If set, then page scale animation has completed, but the client hasn't been
   // notified about it yet.
   bool did_complete_scale_animation_ = false;
 
   int id_;
@@ skipping 70 matching lines @@
 
   std::vector<std::pair<sk_sp<const SkImage>, base::Callback<void(bool)>>>
       queued_image_decodes_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_