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

ppapi/proxy/proxy_channel.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_PROXY_CHANNEL_H_
 #define PPAPI_PROXY_PROXY_CHANNEL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_platform_file.h"
 #include "ipc/ipc_sync_channel.h"
 
 namespace base {
 class MessageLoopProxy;
 class WaitableEvent;
 }
 
 namespace IPC {
 class TestSink;
 }
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 class VarSerializationRules;
 
 class ProxyChannel : public IPC::Channel::Listener,
                      public IPC::Message::Sender {
  public:
   typedef void (*ShutdownModuleFunc)();
 
   class Delegate {
@@ skipping 64 matching lines @@
   IPC::TestSink* test_sink_;
 
   // Will be null for some tests when there is a test_sink_, and if the
   // remote side has crashed.
   scoped_ptr<IPC::SyncChannel> channel_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyChannel);
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PROXY_CHANNEL_H_