Ensure clean layout for spellchecker

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1050 matching lines @@
 
 bool WebLocalFrameImpl::isSpellCheckingEnabled() const
 {
     return frame()->spellChecker().isSpellCheckingEnabled();
 }
 
 void WebLocalFrameImpl::requestTextChecking(const WebElement& webElement)
 {
     if (webElement.isNull())
         return;
+
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets needs to be audited.
+    // see http://crbug.com/590369 for more details.
+    frame()->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    DocumentLifecycle::DisallowTransitionScope(frame()->document()->lifecycle());
+
     frame()->spellChecker().requestTextChecking(*webElement.constUnwrap<Element>());
 }
 
 void WebLocalFrameImpl::replaceMisspelledRange(const WebString& text)
 {
     // If this caret selection has two or more markers, this function replace the range covered by the first marker with the specified word as Microsoft Word does.
     if (pluginContainerFromFrame(frame()))
         return;
     frame()->spellChecker().replaceMisspelledRange(text);
 }
@@ skipping 1114 matching lines @@
         feature = UseCounter::ChromeLoadTimesNpnNegotiatedProtocol;
     } else if (metric == "wasAlternateProtocolAvailable") {
         feature = UseCounter::ChromeLoadTimesWasAlternateProtocolAvailable;
     } else if (metric == "connectionInfo") {
         feature = UseCounter::ChromeLoadTimesConnectionInfo;
     }
     UseCounter::count(frame(), feature);
 }
 
 } // namespace blink