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

ppapi/proxy/ppb_video_capture_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_PPB_VIDEO_CAPTURE_PROXY_H_
 #define PPAPI_PPB_VIDEO_CAPTURE_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/serialized_structs.h"
 
 struct PPB_VideoCapture_Dev;
 struct PPP_VideoCapture_Dev;
 struct PP_VideoCaptureDeviceInfo_Dev;
 
 namespace ppapi {
+
 class HostResource;
-}
 
-namespace pp {
 namespace proxy {
 
 class PPB_VideoCapture_Proxy : public InterfaceProxy {
  public:
   PPB_VideoCapture_Proxy(Dispatcher* dispatcher, const void* target_interface);
   virtual ~PPB_VideoCapture_Proxy();
 
   static const Info* GetInfo();
 
   static PP_Resource CreateProxyResource(PP_Instance instance);
@@ skipping 37 matching lines @@
                          const std::vector<PPPVideoCapture_Buffer>& buffers);
   void OnMsgOnStatus(const ppapi::HostResource& video_capture,
                      uint32_t status);
   void OnMsgOnError(const ppapi::HostResource& video_capture,
                     uint32_t error_code);
   void OnMsgOnBufferReady(const ppapi::HostResource& video_capture,
                           uint32_t buffer);
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PPB_VIDEO_CAPTURE_PROXY_H_