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

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

Index: third_party/WebKit/Source/core/editing/SelectionController.cpp
diff --git a/third_party/WebKit/Source/core/editing/SelectionController.cpp b/third_party/WebKit/Source/core/editing/SelectionController.cpp
index 88d9742d6b0a20624fd5ed11e354f739d06c5463..3db73c6b39660ba2cfaca50c5f90ced80d123c38 100644
--- a/third_party/WebKit/Source/core/editing/SelectionController.cpp
+++ b/third_party/WebKit/Source/core/editing/SelectionController.cpp
@@ -987,7 +987,9 @@ void SelectionController::sendContextMenuEvent(
       // If the selection is non-editable, we do word selection to make it
       // easier to use the contextual menu items available for text selections.
       // But only if we're above text.
-      !(selection().isContentEditable() ||
+      !(selection()
+            .computeVisibleSelectionInDOMTreeDeprecated()
+            .isContentEditable() ||
         (mev.innerNode() && mev.innerNode()->isTextNode())))
     return;