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 21 matching lines @@
   virtual uint32_t GetIMESegmentOffset(uint32_t index) OVERRIDE;
   virtual int32_t GetIMETargetSegment() OVERRIDE;
   virtual void GetIMESelection(uint32_t* start, uint32_t* end) OVERRIDE;
   virtual void AddTouchPoint(PP_TouchListType list,
                              const PP_TouchPoint& point) OVERRIDE;
   virtual uint32_t GetTouchCount(PP_TouchListType list) OVERRIDE;
   virtual PP_TouchPoint GetTouchByIndex(PP_TouchListType list,
                                         uint32_t index) OVERRIDE;
   virtual PP_TouchPoint GetTouchById(PP_TouchListType list,
                                      uint32_t id) OVERRIDE;
+  virtual PP_Bool TraceInputLatency(PP_Bool has_damage) OVERRIDE;
 
   // Implementations for event creation.
   static PP_Resource CreateIMEInputEvent(ResourceObjectType type,
                                          PP_Instance instance,
                                          PP_InputEvent_Type event_type,
                                          PP_TimeTicks time_stamp,
                                          struct PP_Var text,
                                          uint32_t segment_number,
                                          const uint32_t* segment_offsets,
                                          int32_t target_segment,
@@ skipping 32 matching lines @@
 
  private:
   InputEventData data_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_InputEvent_Shared);
 };
 
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_