Allow impl-only animations, and return opacity values via AnimationEvents.

cc/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/layer_tree_host.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
@@ skipping 869 matching lines @@
     }
 }
 
 void LayerTreeHost::setAnimationEventsRecursive(const AnimationEventsVector& events, Layer* layer, base::Time wallClockTime)
 {
     if (!layer)
         return;
 
     for (size_t eventIndex = 0; eventIndex < events.size(); ++eventIndex) {
         if (layer->id() == events[eventIndex].layerId) {
-            if (events[eventIndex].type == AnimationEvent::Started)
+            switch (events[eventIndex].type) {
+            case AnimationEvent::Started:
                 layer->notifyAnimationStarted(events[eventIndex], wallClockTime.ToDoubleT());
-            else
+                break;
+
+            case AnimationEvent::Finished:
                 layer->notifyAnimationFinished(wallClockTime.ToDoubleT());
+                break;
+
+            case AnimationEvent::PropertyUpdate:
+                layer->notifyAnimationPropertyUpdate(events[eventIndex]);
+                break;
+
+            default:
+                NOTREACHED();
+            }
         }
     }
 
     for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIndex)
         setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime);
 }
 
 skia::RefPtr<SkPicture> LayerTreeHost::capturePicture()
 {
     return m_proxy->capturePicture();
 }
 
 }  // namespace cc