cc: Rename LayerTreeHost to LayerTreeHostInProcess.

cc/trees/proxy_impl.h

Index: cc/trees/proxy_impl.h
diff --git a/cc/trees/proxy_impl.h b/cc/trees/proxy_impl.h
index 07ac6f440e591743076d466a1d285ed4bc7e04d7..b073009f4122ecc820072a9255f2d43e0f3bf8de 100644
--- a/cc/trees/proxy_impl.h
+++ b/cc/trees/proxy_impl.h
@@ -16,6 +16,7 @@
 #include "cc/trees/layer_tree_host_impl.h"
 
 namespace cc {
+class LayerTreeHostInProcess;
 
 // This class aggregates all the interactions that the main side of the
 // compositor needs to have with the impl side. It is created and owned by the
@@ -24,7 +25,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
                             public NON_EXPORTED_BASE(SchedulerClient) {
  public:
   ProxyImpl(ChannelImpl* channel_impl,
-            LayerTreeHost* layer_tree_host,
+            LayerTreeHostInProcess* layer_tree_host,
             TaskRunnerProvider* task_runner_provider,
             std::unique_ptr<BeginFrameSource> external_begin_frame_source);
   ~ProxyImpl() override;
@@ -49,7 +50,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   void ReleaseCompositorFrameSinkOnImpl(CompletionEvent* completion);
   void FinishGLOnImpl(CompletionEvent* completion);
   void NotifyReadyToCommitOnImpl(CompletionEvent* completion,
-                                 LayerTreeHost* layer_tree_host,
+                                 LayerTreeHostInProcess* layer_tree_host,
                                  base::TimeTicks main_thread_start_time,
                                  bool hold_commit_for_activation);
 
@@ -62,7 +63,7 @@ class CC_EXPORT ProxyImpl : public NON_EXPORTED_BASE(LayerTreeHostImplClient),
   struct BlockedMainCommitOnly {
     BlockedMainCommitOnly();
     ~BlockedMainCommitOnly();
-    LayerTreeHost* layer_tree_host;
+    LayerTreeHostInProcess* layer_tree_host;
   };
 
   // LayerTreeHostImplClient implementation