Remove scoped_refptr::release which is confusing and causes leaks.

content/renderer/pepper/pepper_platform_audio_input_impl.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/renderer/pepper/pepper_platform_audio_input_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "build/build_config.h"
@@ skipping 12 matching lines @@
     const std::string& device_id,
     int sample_rate,
     int frames_per_buffer,
     webkit::ppapi::PluginDelegate::PlatformAudioInputClient* client) {
   scoped_refptr<PepperPlatformAudioInputImpl> audio_input(
       new PepperPlatformAudioInputImpl());
   if (audio_input->Initialize(plugin_delegate, device_id, sample_rate,
                               frames_per_buffer, client)) {
     // Balanced by Release invoked in
     // PepperPlatformAudioInputImpl::ShutDownOnIOThread().
-    return audio_input.release();
+    audio_input->AddRef();
+    return audio_input.get();
   }
   return NULL;
 }
 
 void PepperPlatformAudioInputImpl::StartCapture() {
   DCHECK(main_message_loop_proxy_->BelongsToCurrentThread());
 
   ChildProcess::current()->io_message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&PepperPlatformAudioInputImpl::StartCaptureOnIOThread, this));
@@ skipping 234 matching lines @@
 }
 
 void PepperPlatformAudioInputImpl::NotifyStreamCreationFailed() {
   DCHECK(main_message_loop_proxy_->BelongsToCurrentThread());
 
   if (client_)
     client_->StreamCreationFailed();
 }
 
 }  // namespace content