Revert "Implement GpuArcVideoService for arc video accelerator"

content/browser/gpu/gpu_arc_video_service_host.cc

Index: content/browser/gpu/gpu_arc_video_service_host.cc
diff --git a/content/browser/gpu/gpu_arc_video_service_host.cc b/content/browser/gpu/gpu_arc_video_service_host.cc
deleted file mode 100644
index 7ba572d64f1bcbd7e4ef686ba0e5c0742ce6288b..0000000000000000000000000000000000000000
--- a/content/browser/gpu/gpu_arc_video_service_host.cc
+++ /dev/null
@@ -1,76 +0,0 @@
-// 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 "content/browser/gpu/gpu_arc_video_service_host.h"
-
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "content/browser/gpu/gpu_process_host.h"
-#include "content/common/gpu/gpu_messages.h"
-#include "content/public/browser/arc_video_host_delegate.h"
-#include "content/public/browser/browser_thread.h"
-#include "ipc/ipc_channel_handle.h"
-#include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_message_utils.h"
-#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
-
-namespace content {
-
-namespace {
-
-void CreateChannelOnIOThread(
-    const GpuProcessHost::CreateArcVideoAcceleratorChannelCallback& callback) {
-  GpuProcessHost* gpu_process_host =
-      GpuProcessHost::Get(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
-                          CAUSE_FOR_GPU_LAUNCH_ARCVIDEOACCELERATOR);
-  gpu_process_host->CreateArcVideoAcceleratorChannel(callback);
-}
-
-void HandleChannelCreatedReply(
-    const arc::VideoHost::OnRequestArcVideoAcceleratorChannelCallback& callback,
-    const IPC::ChannelHandle& handle) {
-  MojoHandle wrapped_handle;
-  MojoResult wrap_result = mojo::embedder::CreatePlatformHandleWrapper(
-      mojo::embedder::ScopedPlatformHandle(
-          mojo::embedder::PlatformHandle(handle.socket.fd)),
-      &wrapped_handle);
-  if (wrap_result != MOJO_RESULT_OK) {
-    LOG(WARNING) << "Pipe failed to wrap handles. Closing: " << wrap_result;
-    callback.Run(mojo::ScopedHandle());
-    return;
-  }
-  callback.Run(mojo::ScopedHandle(mojo::Handle(wrapped_handle)));
-}
-
-}  // namespace
-
-scoped_ptr<arc::VideoHostDelegate> CreateArcVideoHostDelegate() {
-  return make_scoped_ptr(new GpuArcVideoServiceHost());
-}
-
-GpuArcVideoServiceHost::GpuArcVideoServiceHost()
-    : io_task_runner_(content::BrowserThread::GetMessageLoopProxyForThread(
-          content::BrowserThread::IO)) {}
-
-GpuArcVideoServiceHost::~GpuArcVideoServiceHost() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-}
-
-void GpuArcVideoServiceHost::OnRequestArcVideoAcceleratorChannel(
-    const OnRequestArcVideoAcceleratorChannelCallback& callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  io_task_runner_->PostTask(
-      FROM_HERE, base::Bind(&CreateChannelOnIOThread,
-                            base::Bind(&HandleChannelCreatedReply, callback)));
-}
-
-void GpuArcVideoServiceHost::OnStopping() {
-  GpuProcessHost::SendOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
-                           CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
-                           new GpuMsg_ShutdownArcVideoService());
-}
-
-}  // namespace content