Audit the use of updateStyleAndLayoutIgnorePendingStylesheets in InputMethodController::setComposit…

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

Index: third_party/WebKit/Source/core/editing/InputMethodController.cpp
diff --git a/third_party/WebKit/Source/core/editing/InputMethodController.cpp b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
index bbd161bf33e0cc0389cf5a6d32762d8a1fefc3da..1308f06dccb9901a184e8aa38bf4af836fbf834c 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.cpp
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
@@ -428,9 +428,7 @@ void InputMethodController::setCompositionFromExistingText(const Vector<Composit
     if (!editable)
         return;
 
-    // TODO(dglazkov): The use of updateStyleAndLayoutIgnorePendingStylesheets needs to be audited.
-    // see http://crbug.com/590369 for more details.
-    editable->document().updateStyleAndLayoutIgnorePendingStylesheets();
+    DCHECK(!editable->document().needsLayoutTreeUpdate());
 
     const EphemeralRange range = PlainTextRange(compositionStart, compositionEnd).createRange(*editable);
     if (range.isNull())