Clean up RenderWidget/RenderWidgetCompositor/WebKit interactions

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/time.h"
 #include "cc/layer_tree_host_client.h"
 #include "cc/layer_tree_settings.h"
+#include "cc/rendering_stats.h"
+#include "skia/ext/refptr.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebLayerTreeView.h"
 
+class SkPicture;
+
 namespace cc {
 class LayerTreeHost;
 }
 
 namespace content {
 class RenderWidget;
 
 class RenderWidgetCompositor : public WebKit::WebLayerTreeView,
                                public cc::LayerTreeHostClient {
  public:
   // Attempt to construct and initialize a compositor instance for the widget
   // with the given settings. Returns NULL if initialization fails.
   static scoped_ptr<RenderWidgetCompositor> Create(
       RenderWidget* widget,
-      WebKit::WebLayerTreeViewClient* client,
       WebKit::WebLayerTreeView::Settings settings);
 
   virtual ~RenderWidgetCompositor();
 
-  cc::LayerTreeHost* layer_tree_host() const { return layer_tree_host_.get(); }
-
   void SetSuppressScheduleComposite(bool suppress);
+  void Animate(base::TimeTicks time);
+  void Composite();
+  void GetRenderingStats(cc::RenderingStats* stats);
+  skia::RefPtr<SkPicture> CapturePicture();
+  void EnableHidingTopControls(bool enable);
 
   // WebLayerTreeView implementation.
   virtual void setSurfaceReady();
   virtual void setRootLayer(const WebKit::WebLayer& layer);
   virtual void clearRootLayer();
   virtual void setViewportSize(
       const WebKit::WebSize& layout_viewport_size,
       const WebKit::WebSize& device_viewport_size);
   virtual WebKit::WebSize layoutViewportSize() const;
   virtual WebKit::WebSize deviceViewportSize() const;
   virtual WebKit::WebFloatPoint adjustEventPointForPinchZoom(
       const WebKit::WebFloatPoint& point) const;
   virtual void setDeviceScaleFactor(float device_scale);
   virtual float deviceScaleFactor() const;
   virtual void setBackgroundColor(WebKit::WebColor color);
   virtual void setHasTransparentBackground(bool transparent);
   virtual void setVisible(bool visible);
   virtual void setPageScaleFactorAndLimits(float page_scale_factor,
                                            float minimum,
                                            float maximum);
   virtual void startPageScaleAnimation(const WebKit::WebPoint& destination,
                                        bool use_anchor,
                                        float new_page_scale,
                                        double duration_sec);
   virtual void setNeedsAnimate();
   virtual void setNeedsRedraw();
   virtual bool commitRequested() const;
-  virtual void composite();
-  virtual void updateAnimations(double frame_begin_time);
   virtual void didStopFlinging();
   virtual bool compositeAndReadback(void *pixels, const WebKit::WebRect& rect);
   virtual void finishAllRendering();
   virtual void setDeferCommits(bool defer_commits);
   virtual void renderingStats(WebKit::WebRenderingStats& stats) const {}
   virtual void setShowFPSCounter(bool show);
   virtual void setShowPaintRects(bool show);
   virtual void setShowDebugBorders(bool show);
   virtual void setContinuousPaintingEnabled(bool enabled);
 
@@ skipping 11 matching lines @@
   virtual void didCommit() OVERRIDE;
   virtual void didCommitAndDrawFrame() OVERRIDE;
   virtual void didCompleteSwapBuffers() OVERRIDE;
   virtual void scheduleComposite() OVERRIDE;
   virtual scoped_refptr<cc::ContextProvider>
       OffscreenContextProviderForMainThread() OVERRIDE;
   virtual scoped_refptr<cc::ContextProvider>
       OffscreenContextProviderForCompositorThread() OVERRIDE;
 
 private:
-  RenderWidgetCompositor(RenderWidget* widget,
-                         WebKit::WebLayerTreeViewClient* client);
+  explicit RenderWidgetCompositor(RenderWidget* widget);
 
   bool initialize(cc::LayerTreeSettings settings);
 
   bool threaded_;
   bool suppress_schedule_composite_;
   RenderWidget* widget_;
-  WebKit::WebLayerTreeViewClient* client_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_