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

ppapi/proxy/host_dispatcher.cc

 // 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 "ppapi/proxy/host_dispatcher.h"
 
 #include <map>
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "ppapi/c/private/ppb_proxy_private.h"
 #include "ppapi/c/ppb_var.h"
 #include "ppapi/proxy/host_var_serialization_rules.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/resource_creation_proxy.h"
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 namespace {
 
 typedef std::map<PP_Instance, HostDispatcher*> InstanceToDispatcherMap;
 InstanceToDispatcherMap* g_instance_to_dispatcher = NULL;
 
 typedef std::map<PP_Module, HostDispatcher*> ModuleToDispatcherMap;
 ModuleToDispatcherMap* g_module_to_dispatcher = NULL;
 
@@ skipping 237 matching lines @@
   DCHECK(!dispatcher->IsPlugin());
   dispatcher_ = static_cast<HostDispatcher*>(dispatcher);
   dispatcher_->ppb_proxy()->AddRefModule(dispatcher_->pp_module());
 }
 
 ScopedModuleReference::~ScopedModuleReference() {
   dispatcher_->ppb_proxy()->ReleaseModule(dispatcher_->pp_module());
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi