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

cc/cc.gyp

 # Copyright (c) 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 74 matching lines @@
         'base/scoped_ptr_vector.h',
         'base/simple_enclosed_region.cc',
         'base/simple_enclosed_region.h',
         'base/swap_promise.h',
         'base/swap_promise_monitor.cc',
         'base/swap_promise_monitor.h',
         'base/switches.cc',
         'base/switches.h',
         'base/tiling_data.cc',
         'base/tiling_data.h',
+        'base/time_util.h',
         'base/unique_notifier.cc',
         'base/unique_notifier.h',
         'base/util.h',
         'debug/benchmark_instrumentation.cc',
         'debug/benchmark_instrumentation.h',
         'debug/debug_colors.cc',
         'debug/debug_colors.h',
         'debug/debug_rect_history.cc',
         'debug/debug_rect_history.h',
         'debug/devtools_instrumentation.h',
@@ skipping 441 matching lines @@
         'surfaces/surface_resource_holder.cc',
         'surfaces/surface_resource_holder.h',
         'surfaces/surfaces_export.h',
       ],
       'includes': [
         '../build/android/increase_size_for_speed.gypi',
       ],
     },
   ],
 }