Remove some dead code from css/ folder

Source/core/css/parser/CSSPropertyParser.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 109 matching lines @@
 static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> createPrimitiveValuePair(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> first, PassRefPtrWillBeRawPtr<CSSPrimitiveValue> second, Pair::IdenticalValuesPolicy identicalValuesPolicy = Pair::DropIdenticalValues)
 {
     return cssValuePool().createValue(Pair::create(first, second, identicalValuesPolicy));
 }
 
 class AnimationParseContext {
 public:
     AnimationParseContext()
         : m_animationPropertyKeywordAllowed(true)
         , m_firstAnimationCommitted(false)
-        , m_hasSeenAnimationPropertyKeyword(false)
     {
     }
 
     void commitFirstAnimation()
     {
         m_firstAnimationCommitted = true;
     }
 
     bool hasCommittedFirstAnimation() const
     {
         return m_firstAnimationCommitted;
     }
 
     void commitAnimationPropertyKeyword()
     {
         m_animationPropertyKeywordAllowed = false;
     }
 
     bool animationPropertyKeywordAllowed() const
     {
         return m_animationPropertyKeywordAllowed;
     }
 
-    bool hasSeenAnimationPropertyKeyword() const
-    {
-        return m_hasSeenAnimationPropertyKeyword;
-    }
-
-    void sawAnimationPropertyKeyword()
-    {
-        m_hasSeenAnimationPropertyKeyword = true;
-    }
-
 private:
     bool m_animationPropertyKeywordAllowed;
     bool m_firstAnimationCommitted;
-    bool m_hasSeenAnimationPropertyKeyword;
 };
 
 CSSPropertyParser::CSSPropertyParser(OwnPtr<CSSParserValueList>& valueList,
     const CSSParserContext& context, bool inViewport, bool savedImportant,
     WillBeHeapVector<CSSProperty, 256>& parsedProperties, bool& hasFontFaceOnlyValues)
     : m_valueList(valueList)
     , m_context(context)
     , m_inViewport(inViewport)
     , m_important(savedImportant) // See comment in header, should be removed.
     , m_parsedProperties(parsedProperties)
@@ skipping 2935 matching lines @@
 }
 
 PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationProperty(AnimationParseContext& context)
 {
     CSSParserValue* value = m_valueList->current();
     if (value->unit != CSSPrimitiveValue::CSS_IDENT)
         return nullptr;
     CSSPropertyID result = cssPropertyID(value->string);
     if (result && RuntimeCSSEnabled::isCSSPropertyEnabled(result))
         return cssValuePool().createIdentifierValue(result);
-    if (equalIgnoringCase(value, "all")) {
-        context.sawAnimationPropertyKeyword();
+    if (equalIgnoringCase(value, "all"))
         return cssValuePool().createIdentifierValue(CSSValueAll);
-    }
     if (equalIgnoringCase(value, "none")) {
         context.commitAnimationPropertyKeyword();
-        context.sawAnimationPropertyKeyword();
         return cssValuePool().createIdentifierValue(CSSValueNone);
     }
     return nullptr;
 }
 
 bool CSSPropertyParser::parseWebkitTransformOriginShorthand(RefPtrWillBeRawPtr<CSSValue>& value1, RefPtrWillBeRawPtr<CSSValue>& value2, RefPtrWillBeRawPtr<CSSValue>& value3)
 {
     parse2ValuesFillPosition(m_valueList.get(), value1, value2);
 
     // now get z
@@ skipping 3015 matching lines @@
             m_bottom = val;
         else {
             ASSERT(!m_left);
             m_left = val;
         }
 
         m_allowNumber = !m_left;
         m_allowFinalCommit = true;
     }
 
-    void setAllowFinalCommit() { m_allowFinalCommit = true; }
     void setTop(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> val) { m_top = val; }
 
     PassRefPtrWillBeRawPtr<CSSPrimitiveValue> commitBorderImageQuad()
     {
         // We need to clone and repeat values for any omissions.
         ASSERT(m_top);
         if (!m_right) {
             m_right = m_top;
             m_bottom = m_top;
             m_left = m_top;
@@ skipping 1098 matching lines @@
             }
         }
         expectComma = true;
         m_valueList->next();
     }
 
     addProperty(CSSPropertyWillChange, values.release(), important);
     return true;
 }
 
-bool CSSPropertyParser::isBlendMode(CSSValueID valueID)
-{
-    return (valueID >= CSSValueMultiply && valueID <= CSSValueLuminosity)
-        || valueID == CSSValueNormal
-        || valueID == CSSValueOverlay;
-}
-
-bool CSSPropertyParser::isCompositeOperator(CSSValueID valueID)
-{
-    // FIXME: Add CSSValueDestination and CSSValueLighter when the Compositing spec updates.
-    return valueID >= CSSValueClear && valueID <= CSSValueXor;
-}
-
 static void filterInfoForName(const CSSParserString& name, CSSFilterValue::FilterOperationType& filterType, unsigned& maximumArgumentCount)
 {
     if (equalIgnoringCase(name, "grayscale("))
         filterType = CSSFilterValue::GrayscaleFilterOperation;
     else if (equalIgnoringCase(name, "sepia("))
         filterType = CSSFilterValue::SepiaFilterOperation;
     else if (equalIgnoringCase(name, "saturate("))
         filterType = CSSFilterValue::SaturateFilterOperation;
     else if (equalIgnoringCase(name, "hue-rotate("))
         filterType = CSSFilterValue::HueRotateFilterOperation;
@@ skipping 1205 matching lines @@
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueFill));
     if (!seenStroke)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueStroke));
     if (!seenMarkers)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueMarkers));
 
     return parsedValues.release();
 }
 
 } // namespace WebCore