Audit use of updateStyleAndLayoutIgnorePendingStylesheets in EditingStyle::styleAtSelectionStart

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

Index: third_party/WebKit/Source/core/editing/EditingStyle.cpp
diff --git a/third_party/WebKit/Source/core/editing/EditingStyle.cpp b/third_party/WebKit/Source/core/editing/EditingStyle.cpp
index 70589eceaab327bf6aa9a0be860ad286cc23bf83..5fa1624993008d24cec9c4637ae3475224b39154 100644
--- a/third_party/WebKit/Source/core/editing/EditingStyle.cpp
+++ b/third_party/WebKit/Source/core/editing/EditingStyle.cpp
@@ -1528,10 +1528,7 @@ EditingStyle* EditingStyle::styleAtSelectionStart(
 
   Document& document = *selection.start().document();
 
-  // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
-  // needs to be audited. see http://crbug.com/590369 for more details.
-  document.updateStyleAndLayoutIgnorePendingStylesheets();
-
+  DCHECK(!document.needsLayoutTreeUpdate());
   DocumentLifecycle::DisallowTransitionScope disallowTransition(
       document.lifecycle());