cc: Make animations tick regardless of drawing.

cc/trees/layer_tree_host.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1022 matching lines @@
   TRACE_EVENT0("cc", "LayerTreeHostImpl::AnimateLayers");
 
   double monotonic_time = (time - base::TimeTicks()).InSecondsF();
 
   AnimationRegistrar::AnimationControllerMap copy =
       animation_registrar_->active_animation_controllers();
   for (AnimationRegistrar::AnimationControllerMap::iterator iter = copy.begin();
        iter != copy.end();
        ++iter) {
     (*iter).second->Animate(monotonic_time);
-    (*iter).second->UpdateState(NULL);
+    bool start_ready_animations = true;
+    (*iter).second->UpdateState(start_ready_animations, NULL);
   }
 }
 
 void LayerTreeHost::SetAnimationEventsRecursive(
     const AnimationEventsVector& events,
     Layer* layer,
     base::Time wall_clock_time) {
   if (!layer)
     return;
 
@@ skipping 25 matching lines @@
     SetAnimationEventsRecursive(events,
                                 layer->children()[child_index].get(),
                                 wall_clock_time);
 }
 
 skia::RefPtr<SkPicture> LayerTreeHost::CapturePicture() {
   return proxy_->CapturePicture();
 }
 
 }  // namespace cc