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 290 matching lines @@
   void set_background_color(SkColor color) { background_color_ = color; }
   SkColor background_color() const { return background_color_; }
 
   void set_has_transparent_background(bool transparent) {
     has_transparent_background_ = transparent;
   }
   bool has_transparent_background() const {
     return has_transparent_background_;
   }
 
+  void set_is_fullscreen(bool is_fullscreen) { is_fullscreen_ = is_fullscreen; }
+  bool is_fullscreen() const { return is_fullscreen_; }
+
   void StartPageScaleAnimation(const gfx::Vector2d& target_offset,
                                bool use_anchor,
                                float scale,
                                base::TimeDelta duration);
   bool HasPendingPageScaleAnimation() const;
 
   void SetDeviceScaleFactor(float device_scale_factor);
   float device_scale_factor() const { return device_scale_factor_; }
 
   void SetPaintedDeviceScaleFactor(float painted_device_scale_factor);
@@ skipping 278 matching lines @@
   float max_page_scale_factor_ = 1.f;
   gfx::ColorSpace raster_color_space_;
 
   uint32_t content_source_id_;
   LocalSurfaceId local_surface_id_;
   bool defer_commits_ = false;
 
   SkColor background_color_ = SK_ColorWHITE;
   bool has_transparent_background_ = false;
 
+  bool is_fullscreen_ = false;
+
   LayerSelection selection_;
 
   gfx::Size device_viewport_size_;
 
   bool have_scroll_event_handlers_ = false;
   EventListenerProperties event_listener_properties_[static_cast<size_t>(
       EventListenerClass::kNumClasses)];
 
   std::unique_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
 
@@ skipping 30 matching lines @@
 
   std::vector<std::pair<PaintImage, base::Callback<void(bool)>>>
       queued_image_decodes_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_