Make DefaultDeleter for Video{De|En}codeAccelerator

content/common/gpu/media/gpu_video_encode_accelerator.cc

 // Copyright 2013 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_encode_accelerator.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 132 matching lines @@
 void GpuVideoEncodeAccelerator::NotifyError(
     media::VideoEncodeAccelerator::Error error) {
   Send(new AcceleratedVideoEncoderHostMsg_NotifyError(host_route_id_, error));
 }
 
 void GpuVideoEncodeAccelerator::OnWillDestroyStub() {
   DCHECK(stub_);
   stub_->channel()->RemoveRoute(host_route_id_);
   stub_->RemoveDestructionObserver(this);
 
-  if (encoder_)
-    encoder_.release()->Destroy();
-
   delete this;
 }
 
 // static
 std::vector<media::VideoEncodeAccelerator::SupportedProfile>
 GpuVideoEncodeAccelerator::GetSupportedProfiles() {
   std::vector<media::VideoEncodeAccelerator::SupportedProfile> profiles;
 
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
   profiles = V4L2VideoEncodeAccelerator::GetSupportedProfiles();
@@ skipping 126 matching lines @@
   stub_->channel()->Send(message);
 }
 
 void GpuVideoEncodeAccelerator::SendCreateEncoderReply(IPC::Message* message,
                                                        bool succeeded) {
   GpuCommandBufferMsg_CreateVideoEncoder::WriteReplyParams(message, succeeded);
   Send(message);
 }
 
 }  // namespace content