Replace LayoutPart::GetFrameViewBase with GetNodeFrameView

third_party/WebKit/Source/core/editing/FrameSelection.cpp

Index: third_party/WebKit/Source/core/editing/FrameSelection.cpp
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.cpp b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
index 6467d40158b462f9ef3272f1b678b2bd85edc4b7..fdbeaa22ad409e98314d545ed4c5a19f10528b0b 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.cpp
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.cpp
@@ -799,9 +799,7 @@ static bool IsFrameElement(const Node* n) {
   LayoutObject* layout_object = n->GetLayoutObject();
   if (!layout_object || !layout_object->IsLayoutPart())
     return false;
-  FrameViewBase* frame_view_base =
-      ToLayoutPart(layout_object)->GetFrameViewBase();
-  return frame_view_base && frame_view_base->IsFrameView();
+  return ToLayoutPart(layout_object)->ChildFrameView();
 }
 
 void FrameSelection::SetFocusedNodeIfNeeded() {