CSS Variable #0000ee is read as #\30 000ee

third_party/WebKit/Source/core/css/CSSMarkup.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 64 matching lines @@
     appendTo.append(c);
 }
 
 static void serializeCharacterAsCodePoint(UChar32 c, StringBuilder& appendTo)
 {
     appendTo.append('\\');
     appendUnsignedAsHex(c, appendTo, Lowercase);
     appendTo.append(' ');
 }
 
-void serializeIdentifier(const String& identifier, StringBuilder& appendTo)
+void serializeIdentifier(const String& identifier, StringBuilder& appendTo, bool skipStartChecks)
 {
-    bool isFirst = true;
+    bool isFirst = !skipStartChecks;
     bool isSecond = false;
     bool isFirstCharHyphen = false;
     unsigned index = 0;
     while (index < identifier.length()) {
         UChar32 c = identifier.characterStartingAt(index);
         if (c == 0) {
             // Check for lone surrogate which characterStartingAt does not return.
             c = identifier[index];
         }
 
@@ skipping 51 matching lines @@
 {
     return "url(" + serializeString(string) + ")";
 }
 
 String serializeFontFamily(const String& string)
 {
     return isCSSTokenizerIdentifier(string) ? string : serializeString(string);
 }
 
 } // namespace blink