Remove gfx::FrameTime for a single clock source

ui/compositor/test/layer_animator_test_controller.cc

 // Copyright (c) 2013 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/animation/animation.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/compositor/test/layer_animator_test_controller.h"
-#include "ui/gfx/frame_time.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ui {
 
 LayerAnimatorTestController::LayerAnimatorTestController(
     scoped_refptr<LayerAnimator> animator)
     : animator_(animator) {
 }
 
 LayerAnimatorTestController::~LayerAnimatorTestController() {
@@ skipping 24 matching lines @@
     LayerAnimationElement* element = sequence->CurrentElement();
     if (!(element->properties() & animatable_property))
       continue;
 
     if (!element->Started() ||
         element->effective_start_time() != base::TimeTicks())
       continue;
 
     animator_->OnThreadedAnimationStarted(cc::AnimationEvent(
         cc::AnimationEvent::STARTED, 0, element->animation_group_id(),
-        threaded_properties[i], gfx::FrameTime::Now()));
+        threaded_properties[i], base::TimeTicks::Now()));
   }
 }
 
 }  // namespace ui