reland -- Disable animations during aura tests.

ui/gfx/compositor/test/test_layer_animation_observer.cc

Index: ui/gfx/compositor/test/test_layer_animation_observer.cc
diff --git a/ui/gfx/compositor/test/test_layer_animation_observer.cc b/ui/gfx/compositor/test/test_layer_animation_observer.cc
index fe515d36ac92b17881e1ba51c67f1f4282ba71dd..2afcb1bda227f509b360fa6566dc533aedbc3470 100644
--- a/ui/gfx/compositor/test/test_layer_animation_observer.cc
+++ b/ui/gfx/compositor/test/test_layer_animation_observer.cc
@@ -19,17 +19,17 @@ TestLayerAnimationObserver::~TestLayerAnimationObserver() {
 }
 
 void TestLayerAnimationObserver::OnLayerAnimationEnded(
-    const LayerAnimationSequence* sequence) {
+    LayerAnimationSequence* sequence) {
   last_ended_sequence_ = sequence;
 }
 
 void TestLayerAnimationObserver::OnLayerAnimationAborted(
-    const LayerAnimationSequence* sequence) {
+    LayerAnimationSequence* sequence) {
   last_aborted_sequence_ = sequence;
 }
 
 void TestLayerAnimationObserver::OnLayerAnimationScheduled(
-    const LayerAnimationSequence* sequence) {
+    LayerAnimationSequence* sequence) {
   last_scheduled_sequence_ = sequence;
 }