Revert of content/common: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/common/gpu/media/gpu_video_decode_accelerator.cc

 // Copyright (c) 2012 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/common/gpu/media/gpu_video_decode_accelerator.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "base/stl_util.h"
-#include "base/thread_task_runner_handle.h"
 
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/media/gpu_video_accelerator_util.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/message_filter.h"
 #include "media/base/limits.h"
@@ skipping 95 matching lines @@
  private:
   GpuVideoDecodeAccelerator* const owner_;
   const int32 host_route_id_;
   // The sender to which this filter was added.
   IPC::Sender* sender_;
 };
 
 GpuVideoDecodeAccelerator::GpuVideoDecodeAccelerator(
     int32 host_route_id,
     GpuCommandBufferStub* stub,
-    const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner)
+    const scoped_refptr<base::MessageLoopProxy>& io_message_loop)
     : host_route_id_(host_route_id),
       stub_(stub),
       texture_target_(0),
       filter_removed_(true, false),
-      child_task_runner_(base::ThreadTaskRunnerHandle::Get()),
-      io_task_runner_(io_task_runner),
+      child_message_loop_(base::MessageLoopProxy::current()),
+      io_message_loop_(io_message_loop),
       weak_factory_for_io_(this) {
   DCHECK(stub_);
   stub_->AddDestructionObserver(this);
   make_context_current_ =
       base::Bind(&MakeDecoderContextCurrent, stub_->AsWeakPtr());
 }
 
 GpuVideoDecodeAccelerator::~GpuVideoDecodeAccelerator() {
   // This class can only be self-deleted from OnWillDestroyStub(), which means
   // the VDA has already been destroyed in there.
@@ skipping 51 matching lines @@
   }
   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
   uncleared_textures_.erase(picture_buffer_id);
 }
 
 void GpuVideoDecodeAccelerator::PictureReady(
     const media::Picture& picture) {
   // VDA may call PictureReady on IO thread. SetTextureCleared should run on
   // the child thread. VDA is responsible to call PictureReady on the child
   // thread when a picture buffer is delivered the first time.
-  if (child_task_runner_->BelongsToCurrentThread()) {
+  if (child_message_loop_->BelongsToCurrentThread()) {
     SetTextureCleared(picture);
   } else {
-    DCHECK(io_task_runner_->BelongsToCurrentThread());
+    DCHECK(io_message_loop_->BelongsToCurrentThread());
     DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
     DCHECK_EQ(0u, uncleared_textures_.count(picture.picture_buffer_id()));
   }
 
   if (!Send(new AcceleratedVideoDecoderHostMsg_PictureReady(
           host_route_id_, picture.picture_buffer_id(),
           picture.bitstream_buffer_id(), picture.visible_rect(),
           picture.allow_overlay()))) {
     DLOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_PictureReady) failed";
   }
@@ skipping 196 matching lines @@
   return GpuVideoAcceleratorUtil::ConvertMediaToGpuDecodeProfiles(profiles);
 }
 
 // Runs on IO thread if video_decode_accelerator_->CanDecodeOnIOThread() is
 // true, otherwise on the main thread.
 void GpuVideoDecodeAccelerator::OnDecode(
     base::SharedMemoryHandle handle, int32 id, uint32 size) {
   DCHECK(video_decode_accelerator_.get());
   if (id < 0) {
     DLOG(ERROR) << "BitstreamBuffer id " << id << " out of range";
-    if (child_task_runner_->BelongsToCurrentThread()) {
+    if (child_message_loop_->BelongsToCurrentThread()) {
       NotifyError(media::VideoDecodeAccelerator::INVALID_ARGUMENT);
     } else {
-      child_task_runner_->PostTask(
+      child_message_loop_->PostTask(
           FROM_HERE,
           base::Bind(&GpuVideoDecodeAccelerator::NotifyError,
                      base::Unretained(this),
                      media::VideoDecodeAccelerator::INVALID_ARGUMENT));
     }
     return;
   }
   video_decode_accelerator_->Decode(media::BitstreamBuffer(id, handle, size));
 }
 
@@ skipping 139 matching lines @@
 
   stub_->channel()->RemoveRoute(host_route_id_);
   stub_->RemoveDestructionObserver(this);
 
   video_decode_accelerator_.reset();
   delete this;
 }
 
 void GpuVideoDecodeAccelerator::SetTextureCleared(
     const media::Picture& picture) {
-  DCHECK(child_task_runner_->BelongsToCurrentThread());
+  DCHECK(child_message_loop_->BelongsToCurrentThread());
   DebugAutoLock auto_lock(debug_uncleared_textures_lock_);
   std::map<int32, scoped_refptr<gpu::gles2::TextureRef> >::iterator it;
   it = uncleared_textures_.find(picture.picture_buffer_id());
   if (it == uncleared_textures_.end())
     return;  // the texture has been cleared
 
   scoped_refptr<gpu::gles2::TextureRef> texture_ref = it->second;
   GLenum target = texture_ref->texture()->target();
   gpu::gles2::TextureManager* texture_manager =
       stub_->decoder()->GetContextGroup()->texture_manager();
   DCHECK(!texture_ref->texture()->IsLevelCleared(target, 0));
   texture_manager->SetLevelCleared(texture_ref.get(), target, 0, true);
   uncleared_textures_.erase(it);
 }
 
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
-  if (filter_.get() && io_task_runner_->BelongsToCurrentThread())
+  if (filter_.get() && io_message_loop_->BelongsToCurrentThread())
     return filter_->SendOnIOThread(message);
-  DCHECK(child_task_runner_->BelongsToCurrentThread());
+  DCHECK(child_message_loop_->BelongsToCurrentThread());
   return stub_->channel()->Send(message);
 }
 
 void GpuVideoDecodeAccelerator::SendCreateDecoderReply(IPC::Message* message,
                                                        bool succeeded) {
   GpuCommandBufferMsg_CreateVideoDecoder::WriteReplyParams(message, succeeded);
   Send(message);
 }
 
 }  // namespace content