Expand FrameSeleciton::rootEditableElement() to increase chances of hoisting update layout

third_party/WebKit/Source/core/page/DragController.cpp

Index: third_party/WebKit/Source/core/page/DragController.cpp
diff --git a/third_party/WebKit/Source/core/page/DragController.cpp b/third_party/WebKit/Source/core/page/DragController.cpp
index 3ffdd07b1cb777aeb7d62b2fed3220872f9e27f0..9426f094bec86f7853499e4c4715f42d0d622288 100644
--- a/third_party/WebKit/Source/core/page/DragController.cpp
+++ b/third_party/WebKit/Source/core/page/DragController.cpp
@@ -572,7 +572,10 @@ bool DragController::concludeEditDrag(DragData* dragData) {
     return false;
   }
   Range* range = createRange(dragCaret.toNormalizedEphemeralRange());
-  Element* rootEditableElement = innerFrame->selection().rootEditableElement();
+  Element* rootEditableElement =
+      innerFrame->selection()
+          .computeVisibleSelectionInDOMTreeDeprecated()
+          .rootEditableElement();
 
   // For range to be null a WebKit client must have done something bad while
   // manually controlling drag behaviour