Move shell service to toplevel shell namespace

media/mojo/services/test_mojo_media_client.cc

 // Copyright 2014 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/test_mojo_media_client.h"
 
 #include "base/memory/ptr_util.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/audio_output_stream_sink.h"
 #include "media/base/audio_hardware_config.h"
@@ skipping 47 matching lines @@
   if (!video_renderer_sink_) {
     video_renderer_sink_ = base::WrapUnique(
         new NullVideoSink(false, base::TimeDelta::FromSecondsD(1.0 / 60),
                           NullVideoSink::NewFrameCB(), task_runner));
   }
 
   return video_renderer_sink_.get();
 }
 
 std::unique_ptr<CdmFactory> TestMojoMediaClient::CreateCdmFactory(
-    mojo::shell::mojom::InterfaceProvider* /* interface_provider */) {
+    shell::mojom::InterfaceProvider* /* interface_provider */) {
   DVLOG(1) << __FUNCTION__;
   return base::WrapUnique(new DefaultCdmFactory());
 }
 
 }  // namespace media