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

ppapi/proxy/ppb_url_response_info_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_url_response_info_proxy.h"
 
 #include "ppapi/c/ppb_url_response_info.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_file_ref_proxy.h"
 #include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_url_response_info_api.h"
 #include "ppapi/thunk/thunk.h"
 
-using ppapi::HostResource;
-using ppapi::Resource;
 using ppapi::thunk::PPB_URLResponseInfo_API;
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 namespace {
 
 InterfaceProxy* CreateURLResponseInfoProxy(Dispatcher* dispatcher,
                                            const void* target_interface) {
   return new PPB_URLResponseInfo_Proxy(dispatcher, target_interface);
 }
 
 }  // namespace
@@ skipping 112 matching lines @@
 
   // Use the FileRef proxy to serialize.
   DCHECK(!dispatcher()->IsPlugin());
   HostDispatcher* host_disp = static_cast<HostDispatcher*>(dispatcher());
   PPB_FileRef_Proxy* file_ref_proxy = static_cast<PPB_FileRef_Proxy*>(
       host_disp->GetOrCreatePPBInterfaceProxy(INTERFACE_ID_PPB_FILE_REF));
   file_ref_proxy->SerializeFileRef(file_ref, result);
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi