Remove css !important

sky/engine/core/css/parser/CSSTokenizer-in.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 1092 matching lines @@
         break;
 
     case CharacterQuote:
         if (checkAndSkipString(currentCharacter<SrcCharacterType>(), m_token, AbortIfInvalid)) {
             ++result;
             parseString<SrcCharacterType>(result, yylval->string, m_token);
             m_token = STRING;
         }
         break;
 
-    case CharacterExclamationMark: {
-        SrcCharacterType* start = skipWhiteSpace(currentCharacter<SrcCharacterType>());
-        if (isEqualToCSSIdentifier(start, "important")) {
-            m_token = IMPORTANT_SYM;
-            currentCharacter<SrcCharacterType>() = start + 9;
-        }
+    case CharacterExclamationMark:
         break;
-    }
 
     case CharacterHashmark: {
         SrcCharacterType* start = currentCharacter<SrcCharacterType>();
         result = currentCharacter<SrcCharacterType>();
 
         if (isASCIIDigit(*currentCharacter<SrcCharacterType>())) {
             // This must be a valid hex number token.
             do {
                 ++currentCharacter<SrcCharacterType>();
             } while (isASCIIHexDigit(*currentCharacter<SrcCharacterType>()));
@@ skipping 150 matching lines @@
     m_dataStart16[length - 1] = 0;
 
     m_is8BitSource = false;
     m_currentCharacter8 = 0;
     m_currentCharacter16 = m_dataStart16.get();
     setTokenStart<UChar>(m_currentCharacter16);
     m_lexFunc = &CSSTokenizer::realLex<UChar>;
 }
 
 } // namespace blink