Change ui::Event::time_stamp from TimeDelta to TimeTicks

ui/events/test/events_test_utils.h

 // Copyright 2013 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 UI_EVENTS_TEST_EVENTS_TEST_UTILS_H_
 #define UI_EVENTS_TEST_EVENTS_TEST_UTILS_H_
 
 #include "base/macros.h"
 #include "ui/events/event.h"
 #include "ui/events/event_dispatcher.h"
 #include "ui/events/event_target.h"
 
 namespace ui {
 
 class EventSource;
 
 class EventTestApi {
  public:
   explicit EventTestApi(Event* event);
   virtual ~EventTestApi();
 
-  void set_time_stamp(base::TimeDelta time_stamp) {
+  void set_time_stamp(base::TimeTicks time_stamp) {
     event_->time_stamp_ = time_stamp;
   }
 
   void set_source_device_id(int source_device_id) {
     event_->source_device_id_ = source_device_id;
   }
 
  private:
   EventTestApi();
 
@@ skipping 65 matching lines @@
   EventSourceTestApi();
 
   EventSource* event_source_;
 
   DISALLOW_COPY_AND_ASSIGN(EventSourceTestApi);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_TEST_EVENTS_TEST_UTILS_H_