Implement new AnimationTimeline superclass

third_party/WebKit/Source/core/animation/BUILD.gn

 # Copyright 2016 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.
 
 import("//third_party/WebKit/Source/core/core.gni")
 
 blink_core_sources("animation") {
   split_count = 5
 
   sources = [
@@ skipping 197 matching lines @@
     "ShadowInterpolationFunctions.cpp",
     "ShadowInterpolationFunctions.h",
     "ShadowListPropertyFunctions.h",
     "SideIndex.h",
     "SizeInterpolationFunctions.cpp",
     "SizeInterpolationFunctions.h",
     "SizeListPropertyFunctions.cpp",
     "SizeListPropertyFunctions.h",
     "StringKeyframe.cpp",
     "StringKeyframe.h",
+    "SuperAnimationTimeline.h",
     "Timing.cpp",
     "Timing.h",
     "TimingCalculations.h",
     "TimingInput.cpp",
     "TimingInput.h",
     "TransitionInterpolation.cpp",
     "TransitionInterpolation.h",
     "TransitionKeyframe.cpp",
     "TransitionKeyframe.h",
     "TypedInterpolationValue.h",
@@ skipping 22 matching lines @@
     "css/CSSTimingData.h",
     "css/CSSTransitionData.cpp",
     "css/CSSTransitionData.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }