Check for null FrameView in PageAnimator::serviceScriptedAnimations.

Source/core/page/PageAnimator.cpp

Index: Source/core/page/PageAnimator.cpp
diff --git a/Source/core/page/PageAnimator.cpp b/Source/core/page/PageAnimator.cpp
index 0d5f5945e7acae63bc828ecd50d4cf1b621ecd08..a60d10774afc0c7a9fb196650ce73ca8b7a46b18 100644
--- a/Source/core/page/PageAnimator.cpp
+++ b/Source/core/page/PageAnimator.cpp
@@ -44,7 +44,7 @@ void PageAnimator::serviceScriptedAnimations(double monotonicAnimationStartTime)
     }
 
     for (size_t i = 0; i < documents.size(); ++i) {
-        if (documents[i]->frame()) {
+        if (documents[i]->view()) {
             documents[i]->view()->scrollableArea()->serviceScrollAnimations(monotonicAnimationStartTime);
 
             if (const FrameView::ScrollableAreaSet* animatingScrollableAreas = documents[i]->view()->animatingScrollableAreas()) {