CC Animations: Port Impl-only-scrolling to use compositor animation timelines.

cc/test/animation_timelines_test_common.cc

 // Copyright 2015 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/test/animation_timelines_test_common.h"
 
 #include "cc/animation/animation_events.h"
 #include "cc/animation/animation_id_provider.h"
 #include "cc/animation/animation_player.h"
 #include "cc/animation/animation_registrar.h"
@@ skipping 80 matching lines @@
 }
 
 void TestHostClient::SetLayerScrollOffsetMutated(
     int layer_id,
     LayerTreeType tree_type,
     const gfx::ScrollOffset& scroll_offset) {
   TestLayer* layer = FindTestLayer(layer_id, tree_type);
   layer->set_scroll_offset(scroll_offset);
 }
 
+gfx::ScrollOffset TestHostClient::GetScrollOffsetForAnimation(
+    int layer_id) const {
+  return gfx::ScrollOffset();
+}
+
 void TestHostClient::RegisterLayer(int layer_id, LayerTreeType tree_type) {
   LayerIdToTestLayer& layers_in_tree = tree_type == LayerTreeType::ACTIVE
                                            ? layers_in_active_tree_
                                            : layers_in_pending_tree_;
   DCHECK(layers_in_tree.find(layer_id) == layers_in_tree.end());
   layers_in_tree.add(layer_id, TestLayer::Create());
 
   DCHECK(host_);
   host_->RegisterLayer(layer_id, tree_type);
 }
@@ skipping 136 matching lines @@
 }
 
 AnimationPlayer* AnimationTimelinesTest::GetImplPlayerForLayerId(int layer_id) {
   const ElementAnimations* element_animations =
       host_impl_->GetElementAnimationsForLayerId(layer_id);
   return element_animations ? element_animations->players_list().head()->value()
                             : nullptr;
 }
 
 }  // namespace cc