Audit the use of updateStyleAndLayoutIgnorePendingStylesheets in FrameSelection::selectedText

third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp

Index: third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
diff --git a/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp b/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
index cb1067fa567b165c03751ed43ef0e1947d05f34d..caa07404b1d77a104667051011be2b55ad56397a 100644
--- a/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
+++ b/third_party/WebKit/Source/core/html/forms/TextFieldInputType.cpp
@@ -419,6 +419,10 @@ void TextFieldInputType::handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*
     // that case, and nothing in the text field will be removed.
     unsigned selectionLength = 0;
     if (element().focused()) {
+        // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+        // needs to be audited.  See http://crbug.com/590369 for more details.
+        element().document().updateStyleAndLayoutIgnorePendingStylesheets();
+
         selectionLength = element().document().frame()->selection().selectedText().length();
     }
     DCHECK_GE(oldLength, selectionLength);