cc: Split Proxy and TaskRunnerProvider for the LayerTreeHost

cc/trees/layer_tree_host.h

 // Copyright 2011 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_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <set>
 #include <string>
@@ skipping 231 matching lines @@
 
   float device_scale_factor() const { return device_scale_factor_; }
 
   void UpdateTopControlsState(TopControlsState constraints,
                               TopControlsState current,
                               bool animate);
 
   HeadsUpDisplayLayer* hud_layer() const { return hud_layer_.get(); }
 
   Proxy* proxy() const { return proxy_.get(); }
+  TaskRunnerProvider* task_runner_provider() const {
+    return task_runner_provider_.get();
+  }
   AnimationRegistrar* animation_registrar() const {
     return animation_registrar_.get();
   }
   AnimationHost* animation_host() const { return animation_host_.get(); }
 
   bool in_paint_layer_contents() const { return in_paint_layer_contents_; }
 
   // CreateUIResource creates a resource given a bitmap.  The bitmap is
   // generated via an interface function, which is called when initializing the
   // resource and when the resource has been lost (due to lost context).  The
@@ skipping 97 matching lines @@
  protected:
   explicit LayerTreeHost(InitParams* params);
   void InitializeThreaded(
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
       scoped_ptr<BeginFrameSource> external_begin_frame_source);
   void InitializeSingleThreaded(
       LayerTreeHostSingleThreadClient* single_thread_client,
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_ptr<BeginFrameSource> external_begin_frame_source);
-  void InitializeForTesting(scoped_ptr<Proxy> proxy_for_testing);
+  void InitializeForTesting(scoped_ptr<TaskRunnerProvider> task_runner_provider,
+                            scoped_ptr<Proxy> proxy_for_testing);
   void SetOutputSurfaceLostForTesting(bool is_lost) {
     output_surface_lost_ = is_lost;
   }
 
   // shared_bitmap_manager(), gpu_memory_buffer_manager(), and
   // task_graph_runner() return valid values only until the LayerTreeHostImpl is
   // created in CreateLayerTreeHostImpl().
   SharedBitmapManager* shared_bitmap_manager() const {
     return shared_bitmap_manager_;
   }
@@ skipping 32 matching lines @@
 
   void NotifySwapPromiseMonitorsOfSetNeedsCommit();
 
   void SetPropertyTreesNeedRebuild();
 
   bool needs_full_tree_sync_;
   bool needs_meta_info_recomputation_;
 
   LayerTreeHostClient* client_;
   scoped_ptr<Proxy> proxy_;
+  scoped_ptr<TaskRunnerProvider> task_runner_provider_;
 
   int source_frame_number_;
   int meta_information_sequence_number_;
   scoped_ptr<RenderingStatsInstrumentation> rendering_stats_instrumentation_;
 
   // |current_output_surface_| can't be updated until we've successfully
   // initialized a new output surface. |new_output_surface_| contains the
   // new output surface that is currently being initialized. If initialization
   // is successful then |new_output_surface_| replaces
   // |current_output_surface_|.
@@ skipping 64 matching lines @@
 
   uint32_t surface_id_namespace_;
   uint32_t next_surface_sequence_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_