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

ppapi/proxy/ppp_input_event_proxy.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/ppp_input_event_proxy.h"
 
 #include <algorithm>
 
 #include "ppapi/c/ppp_input_event.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppb_input_event_proxy.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_input_event_api.h"
 
-using ppapi::InputEventData;
 using ppapi::thunk::EnterResourceNoLock;
 using ppapi::thunk::PPB_InputEvent_API;
 
-namespace pp {
+namespace ppapi {
 namespace proxy {
 
 namespace {
 
 PP_Bool HandleInputEvent(PP_Instance instance, PP_Resource input_event) {
   EnterResourceNoLock<PPB_InputEvent_API> enter(input_event, false);
   if (enter.failed()) {
     NOTREACHED();
     return PP_FALSE;
   }
@@ skipping 72 matching lines @@
     const InputEventData& data,
     PP_Bool* result) {
   PP_Resource event_resource = PPB_InputEvent_Proxy::CreateProxyResource(
       instance, data);
   *result = ppp_input_event_target()->HandleInputEvent(instance,
                                                        event_resource);
   PluginResourceTracker::GetInstance()->ReleaseResource(event_resource);
 }
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi