Unprefix the @viewport rule of CSS Device Adaptation spec

Source/core/css/CSSParser.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 10200 matching lines @@
                 m_token = TOPLEFTCORNER_SYM;
             return;
 
         case 17:
             if (isEqualToCSSIdentifier(name + 2, "op-right-corner"))
                 m_token = TOPRIGHTCORNER_SYM;
             return;
         }
         return;
 
+    case 'v':
+        if (length == 9 && isEqualToCSSIdentifier(name + 2, "iewport"))
+            m_token = VIEWPORT_RULE_SYM;
+        return;
+
     case '-':
         switch (length) {
         case 15:
             if (hasEscape)
                 return;
 
             if (isEqualToCSSIdentifier(name + 2, "internal-rule")) {
                 m_token = INTERNAL_RULE_SYM;
                 return;
             }
@@ skipping 13 matching lines @@
             if (hasEscape)
                 return;
 
             // Checking the last character first could further reduce the possibile cases.
             if (isASCIIAlphaCaselessEqual(name[15], 's') && isEqualToCSSIdentifier(name + 2, "internal-decl"))
                 m_token = INTERNAL_DECLS_SYM;
             else if (isASCIIAlphaCaselessEqual(name[15], 'e') && isEqualToCSSIdentifier(name + 2, "internal-valu"))
                 m_token = INTERNAL_VALUE_SYM;
             return;
 
-        case 17:
-            if (hasEscape)
-                return;
-
-            else if (isASCIIAlphaCaselessEqual(name[16], 't') && isEqualToCSSIdentifier(name + 2, "webkit-viewpor"))
-                m_token = WEBKIT_VIEWPORT_RULE_SYM;
-            return;
-
         case 18:
             if (isEqualToCSSIdentifier(name + 2, "webkit-keyframes"))
                 m_token = WEBKIT_KEYFRAMES_SYM;
             return;
 
         case 19:
             if (!hasEscape && isASCIIAlphaCaselessEqual(name[18], 'r') && isEqualToCSSIdentifier(name + 2, "internal-selecto")) {
                 m_token = INTERNAL_SELECTOR_SYM;
                 return;
             }
@@ skipping 1532 matching lines @@
 {
     // The tokenizer checks for the construct of an+b.
     // However, since the {ident} rule precedes the {nth} rule, some of those
     // tokens are identified as string literal. Furthermore we need to accept
     // "odd" and "even" which does not match to an+b.
     return equalIgnoringCase(token, "odd") || equalIgnoringCase(token, "even")
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 }