add 'manipulation' support to CSS touch-action parsing.

Source/core/css/parser/BisonCSSParser-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 2652 matching lines @@
         break;
     case CSSPropertyShapeMargin:
     case CSSPropertyShapePadding:
         validPrimitive = (RuntimeEnabledFeatures::cssShapesEnabled() && !id && validUnit(value, FLength | FNonNeg));
         break;
     case CSSPropertyShapeImageThreshold:
         validPrimitive = (RuntimeEnabledFeatures::cssShapesEnabled() && !id && validUnit(value, FNumber));
         break;
 
     case CSSPropertyTouchAction:
-        // auto | none | [pan-x || pan-y]
+        // auto | none | [pan-x || pan-y] | manipulation
         return parseTouchAction(important);
 
     case CSSPropertyAlignSelf:
         ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
         return parseItemPositionOverflowPosition(propId, important);
 
     case CSSPropertyAlignItems:
         ASSERT(RuntimeEnabledFeatures::cssGridLayoutEnabled());
         return parseItemPositionOverflowPosition(propId, important);
 
@@ skipping 6218 matching lines @@
     return value;
 }
 
 bool CSSPropertyParser::parseTouchAction(bool important)
 {
     if (!RuntimeEnabledFeatures::cssTouchActionEnabled())
         return false;
 
     CSSParserValue* value = m_valueList->current();
     RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
-    if (m_valueList->size() == 1 && value && (value->id == CSSValueAuto || value->id == CSSValueNone)) {
+    if (m_valueList->size() == 1 && value && (value->id == CSSValueAuto || value->id == CSSValueNone || value->id == CSSValueManipulation)) {
         list->append(cssValuePool().createIdentifierValue(value->id));
         addProperty(CSSPropertyTouchAction, list.release(), important);
         m_valueList->next();
         return true;
     }
 
     bool isValid = true;
     while (isValid && value) {
         switch (value->id) {
         case CSSValuePanX:
@@ skipping 1239 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");
 }
 
 }