Revert of cc: Add image decode queue functionality to image manager.

cc/test/layer_tree_test.cc

 // 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.
 
 #include "cc/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 99 matching lines @@
       LayerTreeHostImplClient* host_impl_client,
       TaskRunnerProvider* task_runner_provider,
       TaskGraphRunner* task_graph_runner,
       RenderingStatsInstrumentation* stats_instrumentation)
       : LayerTreeHostImpl(settings,
                           host_impl_client,
                           task_runner_provider,
                           stats_instrumentation,
                           task_graph_runner,
                           AnimationHost::CreateForTesting(ThreadInstance::IMPL),
-                          0,
-                          nullptr),
+                          0),
         test_hooks_(test_hooks),
         block_notify_ready_to_activate_for_testing_(false),
         notify_ready_to_activate_was_blocked_(false) {}
 
   void CreateResourceAndRasterBufferProvider(
       std::unique_ptr<RasterBufferProvider>* raster_buffer_provider,
       std::unique_ptr<ResourcePool>* resource_pool) override {
     test_hooks_->CreateResourceAndRasterBufferProvider(
         this, raster_buffer_provider, resource_pool);
   }
@@ skipping 791 matching lines @@
   DCHECK(!IsRemoteTest());
   return layer_tree_host_in_process_;
 }
 
 Proxy* LayerTreeTest::proxy() {
   return layer_tree_host_in_process() ? layer_tree_host_in_process()->proxy()
                                       : NULL;
 }
 
 }  // namespace cc