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

ui/events/event_unittest.cc

Index: ui/events/event_unittest.cc
diff --git a/ui/events/event_unittest.cc b/ui/events/event_unittest.cc
index a0b9d162bc5dd6a6490495dd23af861dcef2cad7..6989ac01c6a599997e7b34bc84ad23504565cd32 100644
--- a/ui/events/event_unittest.cc
+++ b/ui/events/event_unittest.cc
@@ -90,9 +90,9 @@ TEST(EventTest, RepeatedClick) {
   LocatedEventTestApi test_ev1(&mouse_ev1);
   LocatedEventTestApi test_ev2(&mouse_ev2);
 
-  base::TimeDelta start = base::TimeDelta::FromMilliseconds(0);
-  base::TimeDelta soon = start + base::TimeDelta::FromMilliseconds(1);
-  base::TimeDelta later = start + base::TimeDelta::FromMilliseconds(1000);
+  base::TimeTicks start = base::TimeTicks();
+  base::TimeTicks soon = start + base::TimeDelta::FromMilliseconds(1);
+  base::TimeTicks later = start + base::TimeDelta::FromMilliseconds(1000);
 
   // Same event.
   test_ev1.set_location(gfx::Point(0, 0));
@@ -133,8 +133,8 @@ TEST(EventTest, DoubleClickRequiresRelease) {
   const gfx::Point origin1(0, 0);
   const gfx::Point origin2(100, 0);
   std::unique_ptr<MouseEvent> ev;
-  base::TimeDelta start = base::TimeDelta::FromMilliseconds(0);
-  base::TimeDelta soon = start + base::TimeDelta::FromMilliseconds(1);
+  base::TimeTicks start = base::TimeTicks();
+  base::TimeTicks soon = start + base::TimeDelta::FromMilliseconds(1);
 
   ev.reset(new MouseEvent(ET_MOUSE_PRESSED, origin1, origin1, EventTimeForNow(),
                           0, 0));
@@ -169,8 +169,8 @@ TEST(EventTest, DoubleClickRequiresRelease) {
 TEST(EventTest, SingleClickRightLeft) {
   const gfx::Point origin(0, 0);
   std::unique_ptr<MouseEvent> ev;
-  base::TimeDelta start = base::TimeDelta::FromMilliseconds(0);
-  base::TimeDelta soon = start + base::TimeDelta::FromMilliseconds(1);
+  base::TimeTicks start = base::TimeTicks();
+  base::TimeTicks soon = start + base::TimeDelta::FromMilliseconds(1);
 
   ev.reset(new MouseEvent(ET_MOUSE_PRESSED, origin, origin, EventTimeForNow(),
                           ui::EF_RIGHT_MOUSE_BUTTON,
@@ -568,7 +568,7 @@ TEST(EventTest, AutoRepeat) {
 #endif  // USE_X11 || OS_WIN
 
 TEST(EventTest, TouchEventRadiusDefaultsToOtherAxis) {
-  const base::TimeDelta time = base::TimeDelta::FromMilliseconds(0);
+  const base::TimeTicks time = base::TimeTicks();
   const float non_zero_length1 = 30;
   const float non_zero_length2 = 46;
 
@@ -584,7 +584,7 @@ TEST(EventTest, TouchEventRadiusDefaultsToOtherAxis) {
 }
 
 TEST(EventTest, TouchEventRotationAngleFixing) {
-  const base::TimeDelta time = base::TimeDelta::FromMilliseconds(0);
+  const base::TimeTicks time = base::TimeTicks();
   const float radius_x = 20;
   const float radius_y = 10;
 
@@ -734,7 +734,7 @@ TEST(EventTest, PointerDetailsCustomTouch) {
 
 TEST(EventTest, PointerEventCanConvertFrom) {
   const gfx::Point point;
-  const base::TimeDelta time;
+  const base::TimeTicks time;
 
   // Common mouse events can be converted.
   const EventType mouse_allowed[] = {
@@ -796,7 +796,7 @@ TEST(EventTest, PointerEventType) {
 
   for (size_t i = 0; i < arraysize(kMouseTypeMap); i++) {
     ui::MouseEvent mouse_event(kMouseTypeMap[i][0], gfx::Point(0, 0),
-                               gfx::Point(0, 0), base::TimeDelta(), 0, 0);
+                               gfx::Point(0, 0), base::TimeTicks(), 0, 0);
     ui::PointerEvent pointer_event(mouse_event);
     EXPECT_EQ(kMouseTypeMap[i][1], pointer_event.type());
     EXPECT_FALSE(pointer_event.IsMouseEvent());
@@ -806,7 +806,7 @@ TEST(EventTest, PointerEventType) {
 
   for (size_t i = 0; i < arraysize(kTouchTypeMap); i++) {
     ui::TouchEvent touch_event(kTouchTypeMap[i][0], gfx::Point(0, 0), 0,
-                               base::TimeDelta());
+                               base::TimeTicks());
     ui::PointerEvent pointer_event(touch_event);
     EXPECT_EQ(kTouchTypeMap[i][1], pointer_event.type());
     EXPECT_FALSE(pointer_event.IsMouseEvent());
@@ -818,14 +818,14 @@ TEST(EventTest, PointerEventType) {
 TEST(EventTest, PointerEventId) {
   {
     ui::MouseEvent mouse_event(ui::ET_MOUSE_PRESSED, gfx::Point(0, 0),
-                               gfx::Point(0, 0), base::TimeDelta(), 0, 0);
+                               gfx::Point(0, 0), base::TimeTicks(), 0, 0);
     ui::PointerEvent pointer_event(mouse_event);
     EXPECT_EQ(pointer_event.pointer_id(), ui::PointerEvent::kMousePointerId);
   }
 
   for (int touch_id = 0; touch_id < 8; touch_id++) {
     ui::TouchEvent touch_event(ui::ET_TOUCH_PRESSED, gfx::Point(0, 0), touch_id,
-                               base::TimeDelta());
+                               base::TimeTicks());
     ui::PointerEvent pointer_event(touch_event);
     EXPECT_EQ(pointer_event.pointer_id(), touch_id);
   }
@@ -932,7 +932,7 @@ TEST(EventTest, PointerEventToMouseEvent) {
         kTestData[i].in_type, kTestData[i].location, kTestData[i].root_location,
         kTestData[i].flags, 0,
         ui::PointerDetails(ui::EventPointerType::POINTER_TYPE_MOUSE),
-        base::TimeDelta());
+        base::TimeTicks());
     ui::MouseEvent mouse_event(pointer_event);
 
     EXPECT_EQ(kTestData[i].out_type, mouse_event.type());
@@ -954,7 +954,7 @@ TEST(EventTest, PointerEventToTouchEventType) {
     ui::PointerEvent pointer_event(
         kTouchTypeMap[i][0], gfx::Point(), gfx::Point(), 0, 0,
         ui::PointerDetails(ui::EventPointerType::POINTER_TYPE_TOUCH),
-        base::TimeDelta());
+        base::TimeTicks());
     ui::TouchEvent touch_event(pointer_event);
 
     EXPECT_EQ(kTouchTypeMap[i][1], touch_event.type());