Implement support for unprefixed keyframes rules resolution.

Source/core/css/CSSParser-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 10248 matching lines @@
         }
         CASE("host") {
             m_token = HOST_SYM;
         }
         CASE("import") {
             m_parsingMode = MediaQueryMode;
             m_token = IMPORT_SYM;
         }
         CASE("keyframes") {
             if (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
-                m_token = WEBKIT_KEYFRAMES_SYM;
+                m_token = KEYFRAMES_SYM;
         }
         CASE("left-top") {
             if (LIKELY(!hasEscape))
                 m_token = LEFTTOP_SYM;
         }
         CASE("left-middle") {
             if (LIKELY(!hasEscape))
                 m_token = LEFTMIDDLE_SYM;
         }
         CASE("left-bottom") {
@@ skipping 909 matching lines @@
         ensureLineEndings();
         TextPosition tokenPosition = TextPosition::fromOffsetAndLineEndings(location.offset, *m_lineEndings);
         lineNumberInStyleSheet = tokenPosition.m_line.zeroBasedInt();
         columnNumber = (lineNumberInStyleSheet ? 0 : m_startPosition.m_column.zeroBasedInt()) + tokenPosition.m_column.zeroBasedInt();
     } else {
         lineNumberInStyleSheet = location.lineNumber;
     }
     console->addMessage(CSSMessageSource, WarningMessageLevel, message, m_styleSheet->baseURL().string(), lineNumberInStyleSheet + m_startPosition.m_line.zeroBasedInt() + 1, columnNumber + 1);
 }
 
-StyleRuleKeyframes* CSSParser::createKeyframesRule(const String& name, PassOwnPtr<Vector<RefPtr<StyleKeyframe> > > popKeyframes)
+StyleRuleKeyframes* CSSParser::createKeyframesRule(const String& name, PassOwnPtr<Vector<RefPtr<StyleKeyframe> > > popKeyframes, bool isPrefixed)
 {
     OwnPtr<Vector<RefPtr<StyleKeyframe> > > keyframes = popKeyframes;
     m_allowImportRules = m_allowNamespaceDeclarations = false;
     RefPtr<StyleRuleKeyframes> rule = StyleRuleKeyframes::create();
     for (size_t i = 0; i < keyframes->size(); ++i)
         rule->parserAppendKeyframe(keyframes->at(i));
     rule->setName(name);
+    rule->setVendorPrefixed(isPrefixed);
     StyleRuleKeyframes* rulePtr = rule.get();
     m_parsedRules.append(rule.release());
     endRuleBody();
     return rulePtr;
 }
 
 StyleRuleBase* CSSParser::createStyleRule(Vector<OwnPtr<CSSParserSelector> >* selectors)
 {
     StyleRule* result = 0;
     if (selectors) {
@@ skipping 730 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");
 }
 
 }