Convert the pp::proxy namespace to the ppapi::proxy namespace.

ppapi/proxy/ppb_audio_config_proxy.cc

 // Copyright (c) 2011 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 "ppapi/proxy/ppb_audio_config_proxy.h"
 
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/audio_config_impl.h"
 #include "ppapi/thunk/thunk.h"
 
-using ppapi::HostResource;
-using ppapi::Resource;
-
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 // The implementation is actually in AudioConfigImpl.
-class AudioConfig : public Resource, public ppapi::AudioConfigImpl {
+class AudioConfig : public Resource, public AudioConfigImpl {
  public:
   // Note that you must call Init (on AudioConfigImpl) before using this class.
   AudioConfig(const HostResource& resource);
   virtual ~AudioConfig();
 
   // Resource overrides.
-  virtual ::ppapi::thunk::PPB_AudioConfig_API* AsPPB_AudioConfig_API() OVERRIDE;
+  virtual thunk::PPB_AudioConfig_API* AsPPB_AudioConfig_API() OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioConfig);
 };
 
 AudioConfig::AudioConfig(const HostResource& resource) : Resource(resource) {
 }
 
 AudioConfig::~AudioConfig() {
 }
 
-::ppapi::thunk::PPB_AudioConfig_API* AudioConfig::AsPPB_AudioConfig_API() {
+thunk::PPB_AudioConfig_API* AudioConfig::AsPPB_AudioConfig_API() {
   return this;
 }
 
 namespace {
 
 InterfaceProxy* CreateAudioConfigProxy(Dispatcher* dispatcher,
                                        const void* target_interface) {
   return new PPB_AudioConfig_Proxy(dispatcher, target_interface);
 }
 
 }  // namespace
 
 PPB_AudioConfig_Proxy::PPB_AudioConfig_Proxy(Dispatcher* dispatcher,
                                              const void* target_interface)
     : InterfaceProxy(dispatcher, target_interface) {
 }
 
 PPB_AudioConfig_Proxy::~PPB_AudioConfig_Proxy() {
 }
 
 // static
 const InterfaceProxy::Info* PPB_AudioConfig_Proxy::GetInfo() {
   static const Info info = {
-    ::ppapi::thunk::GetPPB_AudioConfig_Thunk(),
+    thunk::GetPPB_AudioConfig_Thunk(),
     PPB_AUDIO_CONFIG_INTERFACE,
     INTERFACE_ID_PPB_AUDIO_CONFIG,
     false,
     &CreateAudioConfigProxy,
   };
   return &info;
 }
 
 // static
 PP_Resource PPB_AudioConfig_Proxy::CreateProxyResource(
     PP_Instance instance,
     PP_AudioSampleRate sample_rate,
     uint32_t sample_frame_count) {
   scoped_refptr<AudioConfig> object(new AudioConfig(
       HostResource::MakeInstanceOnly(instance)));
   if (!object->Init(sample_rate, sample_frame_count))
     return 0;
   return object->GetReference();
 }
 
 bool PPB_AudioConfig_Proxy::OnMessageReceived(const IPC::Message& msg) {
   // There are no IPC messages for this interface.
   NOTREACHED();
   return false;
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi