Automated IWYU fix for TaskRunner includes.

media/mojo/services/interface_factory_impl.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 "media/mojo/services/interface_factory_impl.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
+#include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "media/base/media_log.h"
 #include "media/mojo/services/mojo_media_client.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/service_manager/public/interfaces/interface_provider.mojom.h"
 
 #if defined(ENABLE_MOJO_AUDIO_DECODER)
 #include "media/mojo/services/mojo_audio_decoder_service.h"
 #endif  // defined(ENABLE_MOJO_AUDIO_DECODER)
 
@@ skipping 137 matching lines @@
 CdmFactory* InterfaceFactoryImpl::GetCdmFactory() {
   if (!cdm_factory_) {
     cdm_factory_ = mojo_media_client_->CreateCdmFactory(interfaces_.get());
     LOG_IF(ERROR, !cdm_factory_) << "CdmFactory not available.";
   }
   return cdm_factory_.get();
 }
 #endif  // defined(ENABLE_MOJO_CDM)
 
 }  // namespace media