Remove static thread pointers from CC

cc/layer_tree_host_impl.h

Index: cc/layer_tree_host_impl.h
diff --git a/cc/layer_tree_host_impl.h b/cc/layer_tree_host_impl.h
index 783d042755c82dd6535332a8d2c52b68c9963d0f..7e4d57b0880caf6cdca11842e82f4f1536b27df2 100644
--- a/cc/layer_tree_host_impl.h
+++ b/cc/layer_tree_host_impl.h
@@ -105,7 +105,7 @@ class LayerTreeHostImpl : public InputHandlerClient,
     typedef std::vector<LayerImpl*> LayerList;
 
 public:
-    static scoped_ptr<LayerTreeHostImpl> create(const LayerTreeSettings&, LayerTreeHostImplClient*);
+    static scoped_ptr<LayerTreeHostImpl> create(const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
     virtual ~LayerTreeHostImpl();
 
     // InputHandlerClient implementation
@@ -154,6 +154,7 @@ public:
     virtual void setFullRootLayerDamage() OVERRIDE;
     virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
     virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE;
+    virtual bool hasImplThread() const OVERRIDE;
 
     // WebCompositorOutputSurfaceClient implementation.
     virtual void onVSyncParametersChanged(double monotonicTimebase, double intervalInSeconds) OVERRIDE;
@@ -231,6 +232,7 @@ public:
     FrameRateCounter* fpsCounter() const { return m_fpsCounter.get(); }
     DebugRectHistory* debugRectHistory() const { return m_debugRectHistory.get(); }
     ResourceProvider* resourceProvider() const { return m_resourceProvider.get(); }
+    Proxy* proxy() const { return m_proxy; }
 
     class CullRenderPassesWithCachedTextures {
     public:
@@ -263,7 +265,7 @@ public:
     static void removeRenderPasses(RenderPassCuller, FrameData&);
 
 protected:
-    LayerTreeHostImpl(const LayerTreeSettings&, LayerTreeHostImplClient*);
+    LayerTreeHostImpl(const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
 
     void animatePageScale(base::TimeTicks monotonicTime);
     void animateScrollbars(base::TimeTicks monotonicTime);
@@ -278,6 +280,7 @@ protected:
     virtual base::TimeDelta lowFrequencyAnimationInterval() const;
 
     LayerTreeHostImplClient* m_client;
+    Proxy* m_proxy;
     int m_sourceFrameNumber;
 
 private: