compositor-worker: blink->cc plumbing

cc/trees/threaded_channel.cc

 // 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.
 
 #include "cc/trees/threaded_channel.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/animation/animation_events.h"
+#include "cc/animation/layer_tree_mutator.h"
 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
 ThreadedChannel::ThreadedChannel(ProxyMain* proxy_main,
                                  TaskRunnerProvider* task_runner_provider)
     : task_runner_provider_(task_runner_provider),
       main_thread_only_vars_unsafe_(proxy_main),
       compositor_thread_vars_unsafe_(
           main()
@@ skipping 25 matching lines @@
 }
 
 void ThreadedChannel::InitializeOutputSurfaceOnImpl(
     OutputSurface* output_surface) {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&ProxyImpl::InitializeOutputSurfaceOnImpl,
                             proxy_impl_weak_ptr_, output_surface));
 }
 
+void ThreadedChannel::InitializeMutatorOnImpl(LayerTreeMutator* mutator) {
+  ImplThreadTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&ProxyImpl::InitializeMutatorOnImpl,
+                            proxy_impl_weak_ptr_, mutator));
+}
+
 void ThreadedChannel::MainThreadHasStoppedFlingingOnImpl() {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&ProxyImpl::MainThreadHasStoppedFlingingOnImpl,
                             proxy_impl_weak_ptr_));
 }
 
 void ThreadedChannel::SetInputThrottledUntilCommitOnImpl(bool is_throttled) {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
@@ skipping 296 matching lines @@
 
 ThreadedChannel::CompositorThreadOnly::~CompositorThreadOnly() {}
 
 scoped_ptr<ThreadedChannel> ThreadedChannel::Create(
     ProxyMain* proxy_main,
     TaskRunnerProvider* task_runner_provider) {
   return make_scoped_ptr(new ThreadedChannel(proxy_main, task_runner_provider));
 }
 
 }  // namespace cc