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

ui/events/gestures/gesture_provider_aura_unittest.cc

Index: ui/events/gestures/gesture_provider_aura_unittest.cc
diff --git a/ui/events/gestures/gesture_provider_aura_unittest.cc b/ui/events/gestures/gesture_provider_aura_unittest.cc
index e4d9f7acc43d0847c66b302c1a437698abad8f89..efdd94c3965be45b852c3cbb411f39bb898ea93c 100644
--- a/ui/events/gestures/gesture_provider_aura_unittest.cc
+++ b/ui/events/gestures/gesture_provider_aura_unittest.cc
@@ -38,7 +38,7 @@ class GestureProviderAuraTest : public testing::Test,
 };
 
 TEST_F(GestureProviderAuraTest, IgnoresExtraPressEvents) {
-  base::TimeDelta time = ui::EventTimeForNow();
+  base::TimeTicks time = ui::EventTimeForNow();
   TouchEvent press1(ET_TOUCH_PRESSED, gfx::Point(10, 10), 0, time);
   EXPECT_TRUE(provider()->OnTouchEvent(&press1));
 
@@ -48,7 +48,7 @@ TEST_F(GestureProviderAuraTest, IgnoresExtraPressEvents) {
 }
 
 TEST_F(GestureProviderAuraTest, IgnoresExtraMoveOrReleaseEvents) {
-  base::TimeDelta time = ui::EventTimeForNow();
+  base::TimeTicks time = ui::EventTimeForNow();
   TouchEvent press1(ET_TOUCH_PRESSED, gfx::Point(10, 10), 0, time);
   EXPECT_TRUE(provider()->OnTouchEvent(&press1));
 
@@ -73,7 +73,7 @@ TEST_F(GestureProviderAuraTest, IgnoresIdenticalMoveEvents) {
   const int kTouchId0 = 5;
   const int kTouchId1 = 3;
 
-  base::TimeDelta time = ui::EventTimeForNow();
+  base::TimeTicks time = ui::EventTimeForNow();
   TouchEvent press0_1(ET_TOUCH_PRESSED, gfx::Point(9, 10), kTouchId0, time);
   EXPECT_TRUE(provider()->OnTouchEvent(&press0_1));