Rewrite scoped_ptr<T>(NULL) to use the default ctor in content/.

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"
@@ skipping 37 matching lines @@
   }
 
   if (!stub->decoder()->MakeCurrent()) {
     DLOG(ERROR) << "Failed to MakeCurrent()";
     return false;
   }
 
   return true;
 }
 
-GpuVideoDecodeAccelerator::GpuVideoDecodeAccelerator(
-    int32 host_route_id,
-    GpuCommandBufferStub* stub)
+GpuVideoDecodeAccelerator::GpuVideoDecodeAccelerator(int32 host_route_id,
+                                                     GpuCommandBufferStub* stub)
     : init_done_msg_(NULL),
       host_route_id_(host_route_id),
       stub_(stub),
-      video_decode_accelerator_(NULL),
       texture_target_(0) {
   DCHECK(stub_);
   stub_->AddDestructionObserver(this);
   stub_->channel()->AddRoute(host_route_id_, this);
   make_context_current_ =
       base::Bind(&MakeDecoderContextCurrent, stub_->AsWeakPtr());
 }
 
 GpuVideoDecodeAccelerator::~GpuVideoDecodeAccelerator() {
   DCHECK(stub_);
@@ skipping 267 matching lines @@
 void GpuVideoDecodeAccelerator::OnWillDestroyStub() {
   delete this;
 }
 
 bool GpuVideoDecodeAccelerator::Send(IPC::Message* message) {
   DCHECK(stub_);
   return stub_->channel()->Send(message);
 }
 
 }  // namespace content