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

ppapi/proxy/ppb_surface_3d_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_SURFACE_3D_PROXY_H_
 #define PPAPI_PPB_SURFACE_3D_PROXY_H_
 
 #include <vector>
 
 #include "ppapi/c/dev/pp_graphics_3d_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_surface_3d_api.h"
 
 struct PPB_Surface3D_Dev;
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 class Context3D;
 
 class Surface3D : public ppapi::Resource,
                   public ppapi::thunk::PPB_Surface3D_API {
  public:
   explicit Surface3D(const ppapi::HostResource& host_resource);
   virtual ~Surface3D();
 
@@ skipping 50 matching lines @@
                    const std::vector<int32_t>& attribs,
                    ppapi::HostResource* result);
   void OnMsgSwapBuffers(const ppapi::HostResource& surface);
   // Renderer->plugin message handlers.
   void OnMsgSwapBuffersACK(const ppapi::HostResource& surface,
                            int32_t pp_error);
 
   void SendSwapBuffersACKToPlugin(int32_t result,
                                   const ppapi::HostResource& surface_3d);
 
-  CompletionCallbackFactory<PPB_Surface3D_Proxy,
-                            ProxyNonThreadSafeRefCount> callback_factory_;
+  pp::CompletionCallbackFactory<PPB_Surface3D_Proxy,
+                                ProxyNonThreadSafeRefCount> callback_factory_;
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PPB_SURFACE_3D_PROXY_H_