Un-inline KURL's default constructor to avoid bloating

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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 28 matching lines @@
 }
 
 namespace WebCore {
 
 struct KURLHash;
 
 enum ParsedURLStringTag { ParsedURLString };
 
 class PLATFORM_EXPORT KURL {
 public:
-    KURL()
-        : m_isValid(false)
-        , m_protocolIsInHTTPFamily(false)
-    {
-    }
-
+    KURL();
     KURL(const KURL&);
     KURL& operator=(const KURL&);
 
 #if COMPILER_SUPPORTS(CXX_RVALUE_REFERENCES)
     KURL(KURL&&);
     KURL& operator=(KURL&&);
 #endif
 
     // The argument is an absolute URL string. The string is assumed to be
     // output of KURL::string() called on a valid KURL object, or indiscernible
@@ skipping 211 matching lines @@
 
 // KURLHash is the default hash for String
 template<typename T> struct DefaultHash;
 template<> struct DefaultHash<WebCore::KURL> {
     typedef WebCore::KURLHash Hash;
 };
 
 } // namespace WTF
 
 #endif // KURL_h