CC Animations: Make sure that HtmlViewer uses compositor-animation-timelines

components/html_viewer/web_layer_tree_view_impl.cc

 // 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.
 
 #include "components/html_viewer/web_layer_tree_view_impl.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/layer.h"
 #include "cc/output/begin_frame_args.h"
@@ skipping 23 matching lines @@
 
   settings.use_image_texture_targets = std::vector<unsigned>(
       static_cast<size_t>(gfx::BufferFormat::LAST) + 1, GL_TEXTURE_2D);
   // TODO(jam): use multiple compositor raster threads and set gather_pixel_refs
   // accordingly (see content).
 
   // For web contents, layer transforms should scale up the contents of layers
   // to keep content always crisp when possible.
   settings.layer_transforms_should_scale_layer_contents = true;
 
+  // Use new animation system (cc::AnimationHost).
+  settings.use_compositor_animation_timelines = true;
+
   // TODO(rjkroege): Not having a shared tile transport breaks
   // software compositing. Add bitmap transport support.
   cc::SharedBitmapManager* shared_bitmap_manager = nullptr;
 
   cc::LayerTreeHost::InitParams params;
   params.client = this;
   params.shared_bitmap_manager = shared_bitmap_manager;
   params.gpu_memory_buffer_manager = gpu_memory_buffer_manager;
   params.settings = &settings;
   params.task_graph_runner = task_graph_runner;
@@ skipping 177 matching lines @@
       use_anchor,
       new_page_scale,
       duration);
 }
 
 void WebLayerTreeViewImpl::setNeedsAnimate() {
   layer_tree_host_->SetNeedsAnimate();
 }
 
 }  // namespace html_viewer