cc: Add image decode queue functionality to image manager.

cc/layers/texture_layer_unittest.cc

 // Copyright 2012 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/layers/texture_layer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 60 matching lines @@
       FakeLayerTreeHostClient* client,
       TaskGraphRunner* task_graph_runner,
       MutatorHost* mutator_host) {
     LayerTreeHostInProcess::InitParams params;
     params.client = client;
     params.task_graph_runner = task_graph_runner;
     params.mutator_host = mutator_host;
     LayerTreeSettings settings;
     settings.verify_clip_tree_calculations = true;
     params.settings = &settings;
+    params.image_worker_task_runner = nullptr;
     return base::WrapUnique(new MockLayerTreeHost(&params));
   }
 
   MOCK_METHOD0(SetNeedsCommit, void());
   MOCK_METHOD0(SetNeedsUpdateLayers, void());
   MOCK_METHOD0(StartRateLimiter, void());
   MOCK_METHOD0(StopRateLimiter, void());
 
  private:
   explicit MockLayerTreeHost(LayerTreeHostInProcess::InitParams* params)
@@ skipping 1363 matching lines @@
   base::ThreadChecker main_thread_;
   int callback_count_;
   scoped_refptr<Layer> root_;
   scoped_refptr<TextureLayer> layer_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(TextureLayerWithMailboxImplThreadDeleted);
 
 }  // namespace
 }  // namespace cc