Track plugin input event latency

ppapi/shared_impl/ppb_input_event_shared.h

 // 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.
 
 #ifndef PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_
 #define PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_input_event_api.h"
+#include "ui/events/latency_info.h"
 
 namespace ppapi {
 
 // IF YOU ADD STUFF TO THIS CLASS
 // ==============================
 // Be sure to add it to the STRUCT_TRAITS at the top of ppapi_messages.h
 struct PPAPI_SHARED_EXPORT InputEventData {
   InputEventData();
   ~InputEventData();
 
@@ skipping 23 matching lines @@
   std::string character_text;
 
   std::vector<uint32_t> composition_segment_offsets;
   int32_t composition_target_segment;
   uint32_t composition_selection_start;
   uint32_t composition_selection_end;
 
   std::vector<PP_TouchPoint> touches;
   std::vector<PP_TouchPoint> changed_touches;
   std::vector<PP_TouchPoint> target_touches;
+
+  ui::LatencyInfo latency_info;
 };
 
 // This simple class implements the PPB_InputEvent_API in terms of the
 // shared InputEventData structure
 class PPAPI_SHARED_EXPORT PPB_InputEvent_Shared
     : public Resource,
       public thunk::PPB_InputEvent_API {
  public:
   PPB_InputEvent_Shared(ResourceObjectType type,
                         PP_Instance instance,
@@ skipping 73 matching lines @@
 
  private:
   InputEventData data_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_InputEvent_Shared);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_