Notify main-thread of top controls state changes

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 "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 34 matching lines @@
   static scoped_ptr<RenderWidgetCompositor> Create(
       RenderWidget* widget,
       CompositorDependencies* compositor_deps);
 
   virtual ~RenderWidgetCompositor();
 
   const base::WeakPtr<cc::InputHandler>& GetInputHandler();
   bool BeginMainFrameRequested() const;
   void SetNeedsDisplayOnAllLayers();
   void SetRasterizeOnlyVisibleContent();
-  void UpdateTopControlsState(cc::TopControlsState constraints,
-                              cc::TopControlsState current,
-                              bool animate);
-  void SetTopControlsShrinkBlinkSize(bool shrink);
-  void SetTopControlsHeight(float height);
   void SetNeedsRedrawRect(gfx::Rect damage_rect);
   // Like setNeedsRedraw but forces the frame to be drawn, without early-outs.
   // Redraw will be forced after the next commit
   void SetNeedsForcedRedraw();
   // Calling CreateLatencyInfoSwapPromiseMonitor() to get a scoped
   // LatencyInfoSwapPromiseMonitor. During the life time of the
   // LatencyInfoSwapPromiseMonitor, if SetNeedsCommit() or SetNeedsUpdateLayer()
   // is called on LayerTreeHost, the original latency info will be turned
   // into a LatencyInfoSwapPromise.
   scoped_ptr<cc::SwapPromiseMonitor> CreateLatencyInfoSwapPromiseMonitor(
@@ skipping 52 matching lines @@
       const blink::WebLayer* outerViewportScrollLayer) override;
   virtual void clearViewportLayers() override;
   virtual void registerSelection(const blink::WebSelectionBound& start,
                                  const blink::WebSelectionBound& end) override;
   virtual void clearSelection() override;
   virtual void setShowFPSCounter(bool show);
   virtual void setShowPaintRects(bool show);
   virtual void setShowDebugBorders(bool show);
   virtual void setContinuousPaintingEnabled(bool enabled);
   virtual void setShowScrollBottleneckRects(bool show);
+
+  virtual void updateTopControlsState(blink::WebTopControlsState constraints,
+                              blink::WebTopControlsState current,
+                              bool animate);
+  virtual void setTopControlsHeight(float height, bool shrink);
   virtual void setTopControlsShownRatio(float);
-
   // TODO(aelias): Delete after Blink roll
   virtual void setTopControlsContentOffset(float);
 
   // cc::LayerTreeHostClient implementation.
   void WillBeginMainFrame() override;
   void DidBeginMainFrame() override;
   void BeginMainFrame(const cc::BeginFrameArgs& args) override;
   void Layout() override;
   void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta,
                            const gfx::Vector2dF& outer_delta,
@@ skipping 37 matching lines @@
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 
   scoped_ptr<cc::CopyOutputRequest> temporary_copy_output_request_;
 
   base::WeakPtrFactory<RenderWidgetCompositor> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_