gfx: Add FrameTime and DisplayTime classes

ui/gfx/animation/multi_animation_unittest.cc

Index: ui/gfx/animation/multi_animation_unittest.cc
diff --git a/ui/gfx/animation/multi_animation_unittest.cc b/ui/gfx/animation/multi_animation_unittest.cc
index b8a11fdacf2bfa2c5bb18d7f57f2f1a448ec7f8b..30da2ee8c0b489a5255a252d64c5523166a54e4e 100644
--- a/ui/gfx/animation/multi_animation_unittest.cc
+++ b/ui/gfx/animation/multi_animation_unittest.cc
@@ -18,20 +18,20 @@ TEST(MultiAnimationTest, Basic) {
   MultiAnimation animation(parts, MultiAnimation::GetDefaultTimerInterval());
   AnimationContainerElement* as_element =
       static_cast<AnimationContainerElement*>(&animation);
-  as_element->SetStartTime(base::TimeTicks());
+  as_element->SetStartTime(gfx::FrameTime());
 
   // Step to 50, which is half way through the first part.
-  as_element->Step(base::TimeTicks() + base::TimeDelta::FromMilliseconds(50));
+  as_element->Step(gfx::FrameTime() + base::TimeDelta::FromMilliseconds(50));
   EXPECT_EQ(.5, animation.GetCurrentValue());
 
   // Step to 120, which is 20% through the second part.
-  as_element->Step(base::TimeTicks() +
+  as_element->Step(gfx::FrameTime() +
                    base::TimeDelta::FromMilliseconds(120));
   EXPECT_DOUBLE_EQ(Tween::CalculateValue(Tween::EASE_OUT, .2),
                    animation.GetCurrentValue());
 
   // Step to 320, which is 20% through the second part.
-  as_element->Step(base::TimeTicks() +
+  as_element->Step(gfx::FrameTime() +
                    base::TimeDelta::FromMilliseconds(320));
   EXPECT_DOUBLE_EQ(Tween::CalculateValue(Tween::EASE_OUT, .2),
                    animation.GetCurrentValue());
@@ -47,15 +47,15 @@ TEST(MultiAnimationTest, DifferingStartAndEnd) {
   MultiAnimation animation(parts, MultiAnimation::GetDefaultTimerInterval());
   AnimationContainerElement* as_element =
       static_cast<AnimationContainerElement*>(&animation);
-  as_element->SetStartTime(base::TimeTicks());
+  as_element->SetStartTime(gfx::FrameTime());
 
   // Step to 0. Because the start_time is 100, this should be 100ms into the
   // animation
-  as_element->Step(base::TimeTicks());
+  as_element->Step(gfx::FrameTime());
   EXPECT_EQ(.25, animation.GetCurrentValue());
 
   // Step to 100, which is effectively 200ms into the animation.
-  as_element->Step(base::TimeTicks() + base::TimeDelta::FromMilliseconds(100));
+  as_element->Step(gfx::FrameTime() + base::TimeDelta::FromMilliseconds(100));
   EXPECT_EQ(.5, animation.GetCurrentValue());
 }
 
@@ -66,11 +66,11 @@ TEST(MultiAnimationTest, DontCycle) {
   MultiAnimation animation(parts, MultiAnimation::GetDefaultTimerInterval());
   AnimationContainerElement* as_element =
       static_cast<AnimationContainerElement*>(&animation);
-  as_element->SetStartTime(base::TimeTicks());
+  as_element->SetStartTime(gfx::FrameTime());
   animation.set_continuous(false);
 
   // Step to 300, which is greater than the cycle time.
-  as_element->Step(base::TimeTicks() + base::TimeDelta::FromMilliseconds(300));
+  as_element->Step(gfx::FrameTime() + base::TimeDelta::FromMilliseconds(300));
   EXPECT_EQ(1.0, animation.GetCurrentValue());
   EXPECT_FALSE(animation.is_animating());
 }
@@ -82,10 +82,10 @@ TEST(MultiAnimationTest, Cycle) {
   MultiAnimation animation(parts, MultiAnimation::GetDefaultTimerInterval());
   AnimationContainerElement* as_element =
       static_cast<AnimationContainerElement*>(&animation);
-  as_element->SetStartTime(base::TimeTicks());
+  as_element->SetStartTime(gfx::FrameTime());
 
   // Step to 300, which is greater than the cycle time.
-  as_element->Step(base::TimeTicks() + base::TimeDelta::FromMilliseconds(300));
+  as_element->Step(gfx::FrameTime() + base::TimeDelta::FromMilliseconds(300));
   EXPECT_EQ(.5, animation.GetCurrentValue());
 }