Merge WebKit r55822:...

third_party/WebKit/WebCore/platform/KURLGoogle.cpp

 /*
  * Copyright (C) 2004, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 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.
@@ skipping 950 matching lines @@
 const KURL& blankURL()
 {
     static KURL staticBlankURL(ParsedURLString, "about:blank");
     return staticBlankURL;
 }
 
 bool protocolIs(const String& url, const char* protocol)
 {
     // Do the comparison without making a new string object.
     assertProtocolIsGood(protocol);
-    for (int i = 0; ; ++i) {
-        if (!protocol[i])
-            return url[i] == ':';
-        if (toASCIILower(url[i]) != protocol[i])
-            return false;
-    }
+
+    // Check the scheme like GURL does.
+    return url_util::FindAndCompareScheme(url.characters(), url.length(), 
+        protocol, NULL); 
 }
 
 inline bool KURL::protocolIs(const String& string, const char* protocol)
 {
     return WebCore::protocolIs(string, protocol);
 }
 
 bool protocolHostAndPortAreEqual(const KURL& a, const KURL& b)
 {
     if (a.parsed().scheme.end() != b.parsed().scheme.end())
@@ skipping 16 matching lines @@
     
     if (a.port() != b.port())
         return false;
 
     return true;
 }
 
 } // namespace WebCore
 
 #endif // USE(GOOGLEURL)