Added ui::test::MultiLayerAnimatorTestController and Delegate.

ui/compositor/BUILD.gn

 # Copyright 2014 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("//build/config/ui.gni")
 import("//testing/test.gni")
 
 component("compositor") {
   sources = [
     "callback_layer_animation_observer.cc",
@@ skipping 93 matching lines @@
     "test/draw_waiter_for_test.cc",
     "test/draw_waiter_for_test.h",
     "test/in_process_context_factory.cc",
     "test/in_process_context_factory.h",
     "test/in_process_context_provider.cc",
     "test/in_process_context_provider.h",
     "test/layer_animation_observer_test_api.cc",
     "test/layer_animation_observer_test_api.h",
     "test/layer_animator_test_controller.cc",
     "test/layer_animator_test_controller.h",
+    "test/multi_layer_animator_test_controller.cc",
+    "test/multi_layer_animator_test_controller.h",
+    "test/multi_layer_animator_test_controller_delegate.h",
     "test/test_compositor_host.h",
     "test/test_compositor_host_android.cc",
     "test/test_compositor_host_mac.mm",
     "test/test_compositor_host_win.cc",
     "test/test_layer_animation_delegate.cc",
     "test/test_layer_animation_delegate.h",
     "test/test_layer_animation_observer.cc",
     "test/test_layer_animation_observer.h",
     "test/test_layers.cc",
     "test/test_layers.h",
@@ skipping 68 matching lines @@
     "//ui/base",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/resources",
   ]
   if (is_linux) {
     deps += [ "//third_party/mesa:osmesa" ]
   }
 }