Eliminate MojoApplicationHost

chrome/browser/chromeos/arc/gpu_arc_video_service_host.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 "chrome/browser/chromeos/arc/gpu_arc_video_service_host.h"
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/arc/common/video_accelerator.mojom.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/gpu_service_registry.h"
-#include "content/public/common/service_registry.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
+#include "services/shell/public/cpp/interface_provider.h"
 
 namespace {
 
 void ConnectToVideoAcceleratorServiceOnIOThread(
     arc::mojom::VideoAcceleratorServiceClientRequest request) {
-  content::ServiceRegistry* registry = content::GetGpuServiceRegistry();
-
   // Note |request| is not a ServiceRequest. It is a ClientRequest but doesn't
   // request for a Client. Instead, it requests for a Service while specified
   // the client. It works this odd way because the interfaces were modeled as
   // arc's "Host notifies to Instance::Init", not mojo's typical "Client
   // registers to Service".
   // TODO(kcwu): revise the interface.
-  registry->ConnectToRemoteService(std::move(request));
+  content::GetGpuInterfaceProvider()->GetInterface(std::move(request));
 }
 
 }  // namespace
 
 namespace arc {
 
 GpuArcVideoServiceHost::GpuArcVideoServiceHost(
     arc::ArcBridgeService* bridge_service)
     : ArcService(bridge_service), binding_(this) {
   arc_bridge_service()->AddObserver(this);
@@ skipping 46 matching lines @@
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(
           &ConnectToVideoAcceleratorServiceOnIOThread,
           base::Passed(
               mojo::MakeRequest<::arc::mojom::VideoAcceleratorServiceClient>(
                   std::move(server_pipe)))));
 }
 
 }  // namespace arc