Track plugin input event latency

ppapi/tests/test_input_event.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_TESTS_TEST_INPUT_EVENT_H_
 #define PPAPI_TESTS_TEST_INPUT_EVENT_H_
 
 #include <string>
 #include <vector>
 
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/c/private/ppb_testing_private.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/point.h"
+#include "ppapi/cpp/private/input_event_private.h"
 #include "ppapi/cpp/rect.h"
 #include "ppapi/tests/test_case.h"
 #include "ppapi/tests/test_utils.h"
 
 class TestInputEvent : public TestCase {
  public:
   explicit TestInputEvent(TestingInstance* instance);
   ~TestInputEvent();
 
   virtual bool HandleInputEvent(const pp::InputEvent& input_event);
@@ skipping 12 matching lines @@
                                 uint32_t key_code, const std::string& code);
   pp::InputEvent CreateCharEvent(const std::string& text);
   pp::InputEvent CreateTouchEvent(PP_InputEvent_Type type,
                                   const pp::FloatPoint& location);
 
   void PostMessageBarrier();
   bool SimulateInputEvent(const pp::InputEvent& input_event);
   bool AreEquivalentEvents(PP_Resource first, PP_Resource second);
 
   std::string TestEvents();
+  std::string TestEventsLatencyTracking();
   std::string TestAcceptTouchEvent_1();
   std::string TestAcceptTouchEvent_2();
   std::string TestAcceptTouchEvent_3();
   std::string TestAcceptTouchEvent_4();
 
   const PPB_InputEvent* input_event_interface_;
+  const PPB_InputEvent_Private* input_event_private_interface_;
   const PPB_MouseInputEvent* mouse_input_event_interface_;
   const PPB_WheelInputEvent* wheel_input_event_interface_;
   const PPB_KeyboardInputEvent* keyboard_input_event_interface_;
   const PPB_TouchInputEvent* touch_input_event_interface_;
 
   NestedEvent nested_event_;
 
   pp::Rect view_rect_;
   pp::InputEvent expected_input_event_;
   bool received_expected_event_;
   bool received_finish_message_;
+  bool enable_latency_tracking_;
+  bool last_latency_tracking_successful_;
 };
 
 #endif  // PPAPI_TESTS_TEST_INPUT_EVENT_H_