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

ppapi/proxy/ppapi_proxy_test.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.
 
 #include <map>
 #include <string>
 
 #include "base/message_loop.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "ipc/ipc_test_sink.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 // Base class for plugin and host test harnesses. Tests will not use this
 // directly. Instead, use the PluginProxyTest, HostProxyTest, or TwoWayTest.
 class ProxyTestHarnessBase {
  public:
   ProxyTestHarnessBase();
   virtual ~ProxyTestHarnessBase();
 
   PP_Module pp_module() const { return pp_module_; }
@@ skipping 202 matching lines @@
   // will point to host_.  This makes it convenient when we're starting and
   // stopping the harnesses.
   ProxyTestHarnessBase* remote_harness_;
   ProxyTestHarnessBase* local_harness_;
 
   base::WaitableEvent channel_created_;
   base::WaitableEvent shutdown_event_;
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi