cc: Remove the LayerTreeHost abstraction.

cc/trees/proxy_main.h

 // Copyright 2015 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_PROXY_MAIN_H_
 #define CC_TREES_PROXY_MAIN_H_
 
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
 #include "cc/input/browser_controls_state.h"
 #include "cc/trees/proxy.h"
 #include "cc/trees/proxy_common.h"
 
 namespace cc {
 
 class MutatorEvents;
 class CompletionEvent;
 class CompositorFrameSink;
-class LayerTreeHostInProcess;
+class LayerTreeHost;
 class LayerTreeMutator;
 class ProxyImpl;
 
 // This class aggregates all interactions that the impl side of the compositor
 // needs to have with the main side.
 // The class is created and lives on the main thread.
 class CC_EXPORT ProxyMain : public Proxy {
  public:
-  ProxyMain(LayerTreeHostInProcess* layer_tree_host,
+  ProxyMain(LayerTreeHost* layer_tree_host,
             TaskRunnerProvider* task_runner_provider);
 
   ~ProxyMain() override;
 
   // Commits between the main and impl threads are processed through a pipeline
   // with the following stages. For efficiency we can early out at any stage if
   // we decide that no further processing is necessary.
   enum CommitPipelineStage {
     NO_PIPELINE_STAGE,
     ANIMATE_PIPELINE_STAGE,
@@ skipping 52 matching lines @@
   // already outstanding.
   bool SendCommitRequestToImplThreadIfNeeded(
       CommitPipelineStage required_stage);
   bool IsMainThread() const;
   bool IsImplThread() const;
   base::SingleThreadTaskRunner* ImplThreadTaskRunner();
 
   void InitializeOnImplThread(CompletionEvent* completion_event);
   void DestroyProxyImplOnImplThread(CompletionEvent* completion_event);
 
-  LayerTreeHostInProcess* layer_tree_host_;
+  LayerTreeHost* layer_tree_host_;
 
   TaskRunnerProvider* task_runner_provider_;
 
   const int layer_tree_host_id_;
 
   // The furthest pipeline stage which has been requested for the next
   // commit.
   CommitPipelineStage max_requested_pipeline_stage_;
   // The commit pipeline stage that is currently being processed.
   CommitPipelineStage current_pipeline_stage_;
@@ skipping 18 matching lines @@
   std::unique_ptr<ProxyImpl> proxy_impl_;
 
   base::WeakPtrFactory<ProxyMain> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyMain);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROXY_MAIN_H_