[ash-md] Fixed crash when DEACTIVATING a focused ink drop button.

ui/views/animation/ink_drop_impl.cc

Index: ui/views/animation/ink_drop_impl.cc
diff --git a/ui/views/animation/ink_drop_impl.cc b/ui/views/animation/ink_drop_impl.cc
index cc5f07966b689f01597a86b4f3f6fc30db6ba54e..0ec1aefd6149484a5282fd9309cbd50a28bf1733 100644
--- a/ui/views/animation/ink_drop_impl.cc
+++ b/ui/views/animation/ink_drop_impl.cc
@@ -315,8 +315,13 @@ void InkDropImpl::HideHighlightOnRippleHiddenState::OnFocusChanged() {
 void InkDropImpl::HideHighlightOnRippleHiddenState::AnimationStarted(
     InkDropState ink_drop_state) {
   if (ink_drop_state == views::InkDropState::DEACTIVATED &&
-      GetInkDrop()->is_focused_) {
-    GetInkDrop()->ink_drop_ripple_->HideImmediately();
+      GetInkDrop()->ShouldHighlightBasedOnFocus()) {
+    // It's possible to get animation started events when destroying the
+    // |ink_drop_ripple_|.
+    // TODO(bruthig): Investigate if the animation framework can address this
+    // issue instead. See https://crbug.com/663335.
+    if (GetInkDrop()->ink_drop_ripple_)
+      GetInkDrop()->ink_drop_ripple_->HideImmediately();
     GetInkDrop()->SetHighlightState(
         state_factory()->CreateVisibleState(base::TimeDelta(), false));
   }