Make cc::animation::TrimTimeToCurrentIteration,cc::AnimationCurve::Duration use TimeTicks/TimeDelta

cc/trees/layer_tree_host_unittest_animation.cc

 // Copyright 2012 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 "cc/trees/layer_tree_host.h"
 
 #include "cc/animation/animation_curve.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/animation/scroll_offset_animation_curve.h"
 #include "cc/animation/timing_function.h"
@@ skipping 487 matching lines @@
         host_impl->active_tree()->root_layer()->children()[0]->
         layer_animation_controller();
     Animation* animation =
         controller_impl->GetAnimation(Animation::Opacity);
     if (!animation)
       return;
 
     const FloatAnimationCurve* curve =
         animation->curve()->ToFloatAnimationCurve();
     float start_opacity = curve->GetValue(0.0);
-    float end_opacity = curve->GetValue(curve->Duration());
+    float end_opacity = curve->GetValue(curve->Duration().InSecondsF());
     float linearly_interpolated_opacity =
         0.25f * end_opacity + 0.75f * start_opacity;
-    double time = curve->Duration() * 0.25;
+    double time = curve->Duration().InSecondsF() * 0.25;
     // If the linear timing function associated with this animation was not
     // picked up, then the linearly interpolated opacity would be different
     // because of the default ease timing function.
     EXPECT_FLOAT_EQ(linearly_interpolated_opacity, curve->GetValue(time));
 
     EndTest();
   }
 
   void AfterTest() override {}
 
@@ skipping 671 matching lines @@
  private:
   scoped_refptr<Layer> content_;
   int num_swap_buffers_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostAnimationTestAddAnimationAfterAnimating);
 
 }  // namespace
 }  // namespace cc