Limit console messages' automatic collection of parser state.

Source/core/page/ConsoleTypes.h

 /*
  * Copyright (C) 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ConsoleTypes_h
 #define ConsoleTypes_h
 
 namespace WebCore {
 
+enum ParserStateCollectionDisposition {
+    DoNotForceParserStateCollection,
+    ForceParserStateCollection
+};
+
 enum MessageSource {
     XMLMessageSource,
     JSMessageSource,
     NetworkMessageSource,
     ConsoleAPIMessageSource,
     StorageMessageSource,
     AppCacheMessageSource,
     RenderingMessageSource,
     CSSMessageSource,
     SecurityMessageSource,
     OtherMessageSource,
     DeprecationMessageSource,
 };
 
 enum MessageLevel {
     DebugMessageLevel = 4,
     LogMessageLevel = 1,
     WarningMessageLevel = 2,
     ErrorMessageLevel = 3
 };
 
 } // namespace WebCore
 
 #endif // ConsoleTypes_h