reland -- Disable animations during aura tests.

ash/wm/compact_layout_manager.h

Index: ash/wm/compact_layout_manager.h
diff --git a/ash/wm/compact_layout_manager.h b/ash/wm/compact_layout_manager.h
index b51e364228252cc93bd8d536a9a21712e9bd58b5..221c38731d012963ed51d495ab4358507da7d9b0 100644
--- a/ash/wm/compact_layout_manager.h
+++ b/ash/wm/compact_layout_manager.h
@@ -24,7 +24,7 @@ namespace internal {
 // maximized, fill the screen, and only one tabbed browser window is visible at
 // a time.  The status area appears in the top-right corner of the screen.
 class ASH_EXPORT CompactLayoutManager : public BaseLayoutManager,
-                                        public ui::LayerAnimationObserver {
+                                        public ui::ImplicitAnimationObserver {
  public:
   CompactLayoutManager();
   virtual ~CompactLayoutManager();
@@ -47,13 +47,8 @@ class ASH_EXPORT CompactLayoutManager : public BaseLayoutManager,
                                        void* old) OVERRIDE;
   virtual void OnWindowStackingChanged(aura::Window* window) OVERRIDE;
 
-  // ui::LayerAnimationObserver:
-  virtual void OnLayerAnimationEnded(
-      const ui::LayerAnimationSequence* animation) OVERRIDE;
-  virtual void OnLayerAnimationScheduled(
-      const ui::LayerAnimationSequence* animation) OVERRIDE;
-  virtual void OnLayerAnimationAborted(
-      const ui::LayerAnimationSequence* animation) OVERRIDE;
+  // ui::OnImplicitAnimationsCompleted:
+  virtual void OnImplicitAnimationsCompleted() OVERRIDE;
 
  private:
   // Hides the status area if we are managing it and full screen windows are