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

ui/base/user_activity/user_activity_detector_unittest.cc

 // Copyright 2014 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 "ui/base/user_activity/user_activity_detector.h"
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
@@ skipping 123 matching lines @@
   // After enough time has passed, mouse events should be reported again.
   AdvanceTime(std::max(kIgnoreMouseTime, advance_delta));
   OnEvent(&mouse_event);
   EXPECT_FALSE(mouse_event.handled());
   EXPECT_EQ(now_.ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(1, observer_->num_invocations());
   observer_->reset_stats();
 
   AdvanceTime(advance_delta);
-  ui::TouchEvent touch_event(
-      ui::ET_TOUCH_PRESSED, gfx::Point(), 0, base::TimeDelta());
+  ui::TouchEvent touch_event(ui::ET_TOUCH_PRESSED, gfx::Point(), 0,
+                             base::TimeTicks());
   OnEvent(&touch_event);
   EXPECT_FALSE(touch_event.handled());
   EXPECT_EQ(now_.ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(1, observer_->num_invocations());
   observer_->reset_stats();
 
   AdvanceTime(advance_delta);
-  ui::GestureEvent gesture_event(
-      0,
-      0,
-      ui::EF_NONE,
-      base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
-      ui::GestureEventDetails(ui::ET_GESTURE_TAP));
+  ui::GestureEvent gesture_event(0, 0, ui::EF_NONE, base::TimeTicks::Now(),
+                                 ui::GestureEventDetails(ui::ET_GESTURE_TAP));
   OnEvent(&gesture_event);
   EXPECT_FALSE(gesture_event.handled());
   EXPECT_EQ(now_.ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(1, observer_->num_invocations());
   observer_->reset_stats();
 }
 
 // Checks that observers aren't notified too frequently.
 TEST_F(UserActivityDetectorTest, RateLimitNotifications) {
@@ skipping 36 matching lines @@
                              ui::EventTimeForNow(), ui::EF_IS_SYNTHESIZED,
                              ui::EF_NONE);
   OnEvent(&mouse_event);
   EXPECT_FALSE(mouse_event.handled());
   EXPECT_EQ(base::TimeTicks().ToInternalValue(),
             detector_->last_activity_time().ToInternalValue());
   EXPECT_EQ(0, observer_->num_invocations());
 }
 
 }  // namespace ui