Revert of Cros Tablet Window management - Split Screen part II

ash/wm/overview/scoped_overview_animation_settings.cc

Index: ash/wm/overview/scoped_overview_animation_settings.cc
diff --git a/ash/wm/overview/scoped_overview_animation_settings.cc b/ash/wm/overview/scoped_overview_animation_settings.cc
index bd73707aacdab8541986cebd6bdbc78bf4effe84..f4c44f7979b118c3b2fe2ce5936aeca89fc7ee3b 100644
--- a/ash/wm/overview/scoped_overview_animation_settings.cc
+++ b/ash/wm/overview/scoped_overview_animation_settings.cc
@@ -48,8 +48,6 @@
       return base::TimeDelta::FromMilliseconds(kCloseScaleMilliseconds);
     case OVERVIEW_ANIMATION_CLOSE_SELECTOR_ITEM:
       return base::TimeDelta::FromMilliseconds(kCloseFadeOutMilliseconds);
-    case OVERVIEW_ANIMATION_DRAGGING_SELECTOR_ITEM:
-      return base::TimeDelta::FromMilliseconds(kTransitionMilliseconds);
   }
   NOTREACHED();
   return base::TimeDelta();
@@ -108,7 +106,6 @@
     OverviewAnimationType animation_type) {
   switch (animation_type) {
     case OVERVIEW_ANIMATION_NONE:
-    case OVERVIEW_ANIMATION_DRAGGING_SELECTOR_ITEM:
       return nullptr;
     case OVERVIEW_ANIMATION_ENTER_OVERVIEW_MODE_FADE_IN:
     case OVERVIEW_ANIMATION_LAY_OUT_SELECTOR_ITEMS:
@@ -157,7 +154,6 @@
       break;
     case OVERVIEW_ANIMATION_CLOSING_SELECTOR_ITEM:
     case OVERVIEW_ANIMATION_CLOSE_SELECTOR_ITEM:
-    case OVERVIEW_ANIMATION_DRAGGING_SELECTOR_ITEM:
       animation_settings_->SetPreemptionStrategy(
           ui::LayerAnimator::ENQUEUE_NEW_ANIMATION);
       animation_settings_->SetTweenType(gfx::Tween::EASE_OUT);