Reduce the perf overhead of our dangling markup experiments.

third_party/WebKit/Source/platform/weborigin/KURL.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012 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
@@ skipping 173 matching lines @@
 
   operator const String&() const { return getString(); }
   operator StringView() const { return StringView(getString()); }
 
   const url::Parsed& parsed() const { return m_parsed; }
 
   const KURL* innerURL() const { return m_innerURL.get(); }
 
   bool isSafeToSendToAnotherThread() const;
 
+  bool whitespaceRemoved() const { return m_parsed.whitespace_removed; }
+
  private:
   void init(const KURL& base,
             const String& relative,
             const WTF::TextEncoding* queryEncoding);
 
   StringView componentStringView(const url::Component&) const;
   String componentString(const url::Component&) const;
   StringView stringViewForInvalidComponent() const;
 
   template <typename CHAR>
@@ skipping 84 matching lines @@
 
 // KURLHash is the default hash for String
 template <>
 struct DefaultHash<blink::KURL> {
   typedef blink::KURLHash Hash;
 };
 
 }  // namespace WTF
 
 #endif  // KURL_h