gfx: Add FrameTime and DisplayTime classes

ui/compositor/layer_animation_sequence_unittest.cc

Index: ui/compositor/layer_animation_sequence_unittest.cc
diff --git a/ui/compositor/layer_animation_sequence_unittest.cc b/ui/compositor/layer_animation_sequence_unittest.cc
index 3b4591762b09b5be4acf8001fa31a6b8156c40af..1e17b1a5576707f48aca188c137c004d332ab3c7 100644
--- a/ui/compositor/layer_animation_sequence_unittest.cc
+++ b/ui/compositor/layer_animation_sequence_unittest.cc
@@ -14,6 +14,7 @@
 #include "ui/compositor/test/test_layer_animation_delegate.h"
 #include "ui/compositor/test/test_layer_animation_observer.h"
 #include "ui/compositor/test/test_utils.h"
+#include "ui/gfx/frame_time.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 
@@ -24,7 +25,7 @@ namespace {
 // Check that the sequence behaves sanely when it contains no elements.
 TEST(LayerAnimationSequenceTest, NoElement) {
   LayerAnimationSequence sequence;
-  base::TimeTicks start_time;
+  gfx::FrameTime start_time;
   start_time += base::TimeDelta::FromSeconds(1);
   sequence.set_start_time(start_time);
   EXPECT_TRUE(sequence.IsFinished(start_time));
@@ -41,7 +42,7 @@ TEST(LayerAnimationSequenceTest, SingleElement) {
   float start = 0.0f;
   float middle = 0.5f;
   float target = 1.0f;
-  base::TimeTicks start_time;
+  gfx::FrameTime start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   sequence.AddElement(
       LayerAnimationElement::CreateBrightnessElement(target, delta));
@@ -75,8 +76,8 @@ TEST(LayerAnimationSequenceTest, SingleThreadedElement) {
   float start = 0.0f;
   float middle = 0.5f;
   float target = 1.0f;
-  base::TimeTicks start_time;
-  base::TimeTicks effective_start;
+  gfx::FrameTime start_time;
+  gfx::FrameTime effective_start;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   sequence.AddElement(
       LayerAnimationElement::CreateOpacityElement(target, delta));
@@ -96,7 +97,7 @@ TEST(LayerAnimationSequenceTest, SingleThreadedElement) {
         0,
         sequence.animation_group_id(),
         cc::Animation::Opacity,
-        (effective_start - base::TimeTicks()).InSecondsF()));
+        (effective_start - gfx::FrameTime()).InSecondsF()));
     sequence.Progress(effective_start + delta/2, &delegate);
     EXPECT_FLOAT_EQ(middle, sequence.last_progressed_fraction());
     EXPECT_TRUE(sequence.IsFinished(effective_start + delta));
@@ -117,9 +118,9 @@ TEST(LayerAnimationSequenceTest, MultipleElement) {
   TestLayerAnimationDelegate delegate;
   float start_opacity = 0.0f;
   float target_opacity = 1.0f;
-  base::TimeTicks start_time;
-  base::TimeTicks opacity_effective_start;
-  base::TimeTicks transform_effective_start;
+  gfx::FrameTime start_time;
+  gfx::FrameTime opacity_effective_start;
+  gfx::FrameTime transform_effective_start;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   sequence.AddElement(
       LayerAnimationElement::CreateOpacityElement(target_opacity, delta));
@@ -156,7 +157,7 @@ TEST(LayerAnimationSequenceTest, MultipleElement) {
         0,
         sequence.animation_group_id(),
         cc::Animation::Opacity,
-        (opacity_effective_start - base::TimeTicks()).InSecondsF()));
+        (opacity_effective_start - gfx::FrameTime()).InSecondsF()));
     sequence.Progress(opacity_effective_start + delta/2, &delegate);
     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
     sequence.Progress(opacity_effective_start + delta, &delegate);
@@ -187,7 +188,7 @@ TEST(LayerAnimationSequenceTest, MultipleElement) {
         0,
         sequence.animation_group_id(),
         cc::Animation::Transform,
-        (transform_effective_start - base::TimeTicks()).InSecondsF()));
+        (transform_effective_start - gfx::FrameTime()).InSecondsF()));
     sequence.Progress(transform_effective_start + delta/2, &delegate);
     EXPECT_FLOAT_EQ(0.5, sequence.last_progressed_fraction());
     EXPECT_TRUE(sequence.IsFinished(transform_effective_start + delta));
@@ -211,7 +212,7 @@ TEST(LayerAnimationSequenceTest, AbortingCyclicSequence) {
   TestLayerAnimationDelegate delegate;
   float start_brightness = 0.0f;
   float target_brightness = 1.0f;
-  base::TimeTicks start_time;
+  gfx::FrameTime start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   sequence.AddElement(
       LayerAnimationElement::CreateBrightnessElement(target_brightness, delta));
@@ -263,7 +264,7 @@ TEST(LayerAnimationSequenceTest, SetTarget) {
 }
 
 TEST(LayerAnimationSequenceTest, AddObserver) {
-  base::TimeTicks start_time;
+  gfx::FrameTime start_time;
   base::TimeDelta delta = base::TimeDelta::FromSeconds(1);
   LayerAnimationSequence sequence;
   sequence.AddElement(