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

ppapi/proxy/ppb_url_request_info_proxy.h

 // 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.
 
 #ifndef PPAPI_PROXY_PPB_URL_REQUEST_INFO_PROXY_H_
 #define PPAPI_PROXY_PPB_URL_REQUEST_INFO_PROXY_H_
 
 #include "base/basictypes.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/shared_impl/host_resource.h"
 
 struct PPB_URLRequestInfo;
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 class SerializedVarReceiveInput;
 
 class PPB_URLRequestInfo_Proxy : public InterfaceProxy {
  public:
   PPB_URLRequestInfo_Proxy(Dispatcher* dispatcher,
                            const void* target_interface);
   virtual ~PPB_URLRequestInfo_Proxy();
 
@@ skipping 15 matching lines @@
   void OnMsgAppendFileToBody(ppapi::HostResource request,
                              ppapi::HostResource file_ref,
                              int64_t start_offset,
                              int64_t number_of_bytes,
                              double expected_last_modified_time);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_URLRequestInfo_Proxy);
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_URL_REQUEST_INFO_PROXY_H_