Fold CSSParser::colorFromRGBColorString into only user

Source/core/css/parser/CSSParser.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/css/parser/CSSParser.h"
 
 #include "core/css/CSSKeyframeRule.h"
 #include "core/css/StyleColor.h"
 #include "core/css/StylePropertySet.h"
@@ skipping 118 matching lines @@
         return false;
 
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
     if (!primitiveValue->isRGBColor())
         return false;
 
     color = primitiveValue->getRGBA32Value();
     return true;
 }
 
-StyleColor CSSParser::colorFromRGBColorString(const String& string)
-{
-    // FIXME: Rework css parser so it is more SVG aware.
-    RGBA32 color;
-    if (parseColor(color, string.stripWhiteSpace()))
-        return StyleColor(color);
-    // FIXME: This branch catches the string currentColor, but we should error if we have an illegal color value.
-    return StyleColor::currentColor();
-}
-
 bool CSSParser::parseSystemColor(RGBA32& color, const String& colorString)
 {
     CSSParserString cssColor;
     cssColor.init(colorString);
     CSSValueID id = cssValueKeywordID(cssColor);
     if (!CSSPropertyParser::isSystemColor(id))
         return false;
 
     Color parsedColor = LayoutTheme::theme().systemColor(id);
     color = parsedColor.rgb();
     return true;
 }
 
 PassRefPtrWillBeRawPtr<CSSValue> CSSParser::parseFontFaceDescriptor(CSSPropertyID propertyID, const String& propertyValue, const CSSParserContext& context)
 {
     StringBuilder builder;
     builder.appendLiteral("@font-face { ");
     builder.append(getPropertyNameString(propertyID));
     builder.appendLiteral(" : ");
     builder.append(propertyValue);
     builder.appendLiteral("; }");
     RefPtrWillBeRawPtr<StyleRuleBase> rule = parseRule(context, builder.toString());
     if (!rule || !rule->isFontFaceRule())
         return nullptr;
     return toStyleRuleFontFace(rule.get())->properties().getPropertyCSSValue(propertyID);
 }
 
 } // namespace blink