Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/renderer/media/audio_renderer_impl_unittest.cc

 // Copyright (c) 2010 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 "base/callback.h"
 #include "base/process_util.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/render_messages_params.h"
 #include "chrome/renderer/media/audio_renderer_impl.h"
 #include "media/base/data_buffer.h"
@@ skipping 109 matching lines @@
   // Run AudioMessageFilter::Delegate methods, which can be executed after being
   // stopped.  AudioRendererImpl shouldn't create any messages.
   renderer_->OnRequestPacket(AudioBuffersState(kSize, 0));
   renderer_->OnStateChanged(kError);
   renderer_->OnStateChanged(kPlaying);
   renderer_->OnStateChanged(kPaused);
   renderer_->OnCreated(shared_mem_.handle(), kSize);
   renderer_->OnVolume(0.5);
 
   // It's possible that the upstream decoder replies right after being stopped.
-  scoped_refptr<media::Buffer> buffer = new media::DataBuffer(kSize);
+  scoped_refptr<media::Buffer> buffer(new media::DataBuffer(kSize));
   renderer_->ConsumeAudioSamples(buffer);
 }
 
 TEST_F(AudioRendererImplTest, DestroyedMessageLoop_SetPlaybackRate) {
   // Kill the message loop and verify SetPlaybackRate() still works.
   message_loop_.reset();
   renderer_->SetPlaybackRate(0.0f);
   renderer_->SetPlaybackRate(1.0f);
   renderer_->SetPlaybackRate(0.0f);
   EXPECT_CALL(stop_callback_, OnFilterCallback());
   renderer_->Stop(stop_callback_.NewCallback());
 }
 
 TEST_F(AudioRendererImplTest, DestroyedMessageLoop_SetVolume) {
   // Kill the message loop and verify SetVolume() still works.
   message_loop_.reset();
   renderer_->SetVolume(0.5f);
   EXPECT_CALL(stop_callback_, OnFilterCallback());
   renderer_->Stop(stop_callback_.NewCallback());
 }
 
 TEST_F(AudioRendererImplTest, DestroyedMessageLoop_ConsumeAudioSamples) {
   // Kill the message loop and verify OnReadComplete() still works.
   message_loop_.reset();
-  scoped_refptr<media::Buffer> buffer = new media::DataBuffer(kSize);
+  scoped_refptr<media::Buffer> buffer(new media::DataBuffer(kSize));
   renderer_->ConsumeAudioSamples(buffer);
   EXPECT_CALL(stop_callback_, OnFilterCallback());
   renderer_->Stop(stop_callback_.NewCallback());
 }