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

ppapi/proxy/ppb_flash_clipboard_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_FLASH_CLIPBOARD_PROXY_H_
 #define PPAPI_PROXY_PPB_FLASH_CLIPBOARD_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/interface_proxy.h"
 
 struct PPB_Flash_Clipboard;
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 class SerializedVarReceiveInput;
 class SerializedVarReturnValue;
 
 class PPB_Flash_Clipboard_Proxy : public InterfaceProxy {
  public:
   PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher,
                             const void* target_interface);
   virtual ~PPB_Flash_Clipboard_Proxy();
@@ skipping 15 matching lines @@
                               bool* result);
   void OnMsgReadPlainText(PP_Instance instance_id,
                           int clipboard_type,
                           SerializedVarReturnValue result);
   void OnMsgWritePlainText(PP_Instance instance_id,
                            int clipboard_type,
                            SerializedVarReceiveInput text);
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_FLASH_CLIPBOARD_PROXY_H_