Make AudioParameters a class instead of a struct

content/renderer/pepper/pepper_plugin_delegate_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_plugin_delegate_impl.h"
 
 #include <cmath>
 #include <cstddef>
 #include <map>
 #include <queue>
@@ skipping 580 matching lines @@
 
 uint32_t PepperPluginDelegateImpl::GetAudioHardwareOutputBufferSize() {
   return static_cast<uint32_t>(audio_hardware::GetOutputBufferSize());
 }
 
 webkit::ppapi::PluginDelegate::PlatformAudioOutput*
 PepperPluginDelegateImpl::CreateAudioOutput(
     uint32_t sample_rate,
     uint32_t sample_count,
     webkit::ppapi::PluginDelegate::PlatformAudioCommonClient* client) {
-  return PepperPlatformAudioOutputImpl::Create(sample_rate, sample_count,
-                                               client);
+  return PepperPlatformAudioOutputImpl::Create(
+      static_cast<int>(sample_rate), static_cast<int>(sample_count), client);
 }
 
 webkit::ppapi::PluginDelegate::PlatformAudioInput*
 PepperPluginDelegateImpl::CreateAudioInput(
     uint32_t sample_rate,
     uint32_t sample_count,
     webkit::ppapi::PluginDelegate::PlatformAudioCommonClient* client) {
-  return PepperPlatformAudioInputImpl::Create(sample_rate, sample_count,
-                                              client);
+  return PepperPlatformAudioInputImpl::Create(
+      static_cast<int>(sample_rate), static_cast<int>(sample_count), client);
 }
 
 // If a broker has not already been created for this plugin, creates one.
 webkit::ppapi::PluginDelegate::Broker*
 PepperPluginDelegateImpl::ConnectToBroker(
     webkit::ppapi::PPB_Broker_Impl* client) {
   DCHECK(client);
 
   // If a broker needs to be created, this will ensure it does not get deleted
   // before Connect() adds a reference.
@@ skipping 1025 matching lines @@
     render_view_->mouse_lock_dispatcher()->OnLockTargetDestroyed(target);
     delete target;
     mouse_lock_instances_.erase(it);
   }
 }
 
 webkit_glue::ClipboardClient*
     PepperPluginDelegateImpl::CreateClipboardClient() const {
   return new RendererClipboardClient;
 }