Track plugin input event latency

ppapi/proxy/ppp_input_event_proxy.cc

 // Copyright (c) 2012 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 "ppapi/c/ppp_input_event.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
+#include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/ppb_input_event_shared.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_input_event_api.h"
+#include "ui/events/latency_info.h"
 
 using ppapi::thunk::EnterResourceNoLock;
 using ppapi::thunk::PPB_InputEvent_API;
 
 namespace ppapi {
 namespace proxy {
 
 namespace {
 
 #if !defined(OS_NACL)
@@ skipping 59 matching lines @@
                         OnMsgHandleInputEvent)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPPInputEvent_HandleFilteredInputEvent,
                         OnMsgHandleFilteredInputEvent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PPP_InputEvent_Proxy::OnMsgHandleInputEvent(PP_Instance instance,
                                                  const InputEventData& data) {
+  PluginGlobals::Get()->AddLatencyInfo(data.latency_info, instance);
   scoped_refptr<PPB_InputEvent_Shared> resource(new PPB_InputEvent_Shared(
       OBJECT_IS_PROXY, instance, data));
   CallWhileUnlocked(ppp_input_event_impl_->HandleInputEvent,
                     instance,
                     resource->pp_resource());
 }
 
 void PPP_InputEvent_Proxy::OnMsgHandleFilteredInputEvent(
     PP_Instance instance,
     const InputEventData& data,
     PP_Bool* result) {
+  PluginGlobals::Get()->AddLatencyInfo(data.latency_info, instance);
   scoped_refptr<PPB_InputEvent_Shared> resource(new PPB_InputEvent_Shared(
       OBJECT_IS_PROXY, instance, data));
   *result = CallWhileUnlocked(ppp_input_event_impl_->HandleInputEvent,
                               instance,
                               resource->pp_resource());
 }
 
 }  // namespace proxy
 }  // namespace ppapi