cc: Add image decode queue functionality to image manager.

cc/test/layer_tree_host_remote_for_testing.cc

 // Copyright 2016 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/test/layer_tree_host_remote_for_testing.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/animation/animation_host.h"
 #include "cc/blimp/compositor_proto_state.h"
 #include "cc/blimp/compositor_state_deserializer.h"
@@ skipping 224 matching lines @@
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner,
     MutatorHost* mutator_host) {
   LayerTreeHostInProcess::InitParams params;
 
   params.client = client;
   params.task_graph_runner = task_graph_runner;
   params.settings = &settings;
   params.main_task_runner = main_task_runner;
   params.mutator_host = mutator_host;
+  params.image_worker_task_runner = nullptr;
 
   return LayerTreeHostInProcess::CreateThreaded(impl_task_runner, &params);
 }
 
 void LayerTreeHostRemoteForTesting::DidUpdateLocalState() {
   client_state_dirty_ = true;
 }
 
 void LayerTreeHostRemoteForTesting::DispatchDrawAndSubmitCallbacks() {
   // Don't dispatch callbacks right after the commit on the remote host. Since
@@ skipping 49 matching lines @@
   }
 
   // The only case where the remote host would give a compositor update is if
   // they wanted the main frame to go till the commit pipeline stage. So
   // request one to make sure that the in process main frame also goes till
   // the commit step.
   layer_tree_host_in_process_->SetNeedsCommit();
 }
 
 }  // namespace cc