Enable fire-and-forget Destroy of HW video decoder, and misc other improvements.

content/common/gpu/media/gpu_video_decode_accelerator.cc

 // Copyright (c) 2011 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/logging.h"
@@ skipping 145 matching lines @@
 }
 
 void GpuVideoDecodeAccelerator::Initialize(const std::vector<uint32>& configs) {
   DCHECK(!video_decode_accelerator_.get());
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
   DCHECK(stub_ && stub_->scheduler());
   OmxVideoDecodeAccelerator* omx_decoder = new OmxVideoDecodeAccelerator(this);
   omx_decoder->SetEglState(
       gfx::GLSurfaceEGL::GetDisplay(),
       stub_->scheduler()->decoder()->GetGLContext()->GetHandle());
-  video_decode_accelerator_.reset(omx_decoder);
+  video_decode_accelerator_ = omx_decoder;
   video_decode_accelerator_->Initialize(configs);
 #else
   NOTIMPLEMENTED() << "HW video decode acceleration not available.";
 #endif  // defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
 }
 
 void GpuVideoDecodeAccelerator::OnDecode(
     const gpu::ReadWriteTokens&, /* tokens */
     base::SharedMemoryHandle handle, int32 id, int32 size) {
   DCHECK(video_decode_accelerator_.get());
@@ skipping 66 matching lines @@
 void GpuVideoDecodeAccelerator::NotifyFlushDone() {
   if (!Send(new AcceleratedVideoDecoderHostMsg_FlushDone(host_route_id_)))
     LOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_FlushDone) failed";
 }
 
 void GpuVideoDecodeAccelerator::NotifyResetDone() {
   if (!Send(new AcceleratedVideoDecoderHostMsg_ResetDone(host_route_id_)))
     LOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_ResetDone) failed";
 }
 
-void GpuVideoDecodeAccelerator::NotifyDestroyDone() {
-  if (!Send(new AcceleratedVideoDecoderHostMsg_DestroyDone(host_route_id_)))
-    LOG(ERROR) << "Send(AcceleratedVideoDecoderHostMsg_DestroyDone) failed";
-}
-
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
   DCHECK(sender_);
   return sender_->Send(message);
 }