Rename 'instant' value of scroll-behavior CSS property to 'auto'

Source/core/css/parser/CSSParserFastPaths.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/CSSParserFastPaths.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSTransformValue.h"
 #include "core/css/CSSValuePool.h"
@@ skipping 227 matching lines @@
     case CSSPropertyWebkitColumnBreakInside:
         return valueID == CSSValueAuto || valueID == CSSValueAvoid;
     case CSSPropertyPointerEvents:
         // none | visiblePainted | visibleFill | visibleStroke | visible |
         // painted | fill | stroke | auto | all | bounding-box
         return valueID == CSSValueVisible || valueID == CSSValueNone || valueID == CSSValueAll || valueID == CSSValueAuto || (valueID >= CSSValueVisiblepainted && valueID <= CSSValueBoundingBox);
     case CSSPropertyPosition: // static | relative | absolute | fixed
         return valueID == CSSValueStatic || valueID == CSSValueRelative || valueID == CSSValueAbsolute || valueID == CSSValueFixed;
     case CSSPropertyResize: // none | both | horizontal | vertical | auto
         return valueID == CSSValueNone || valueID == CSSValueBoth || valueID == CSSValueHorizontal || valueID == CSSValueVertical || valueID == CSSValueAuto;
-    case CSSPropertyScrollBehavior: // instant | smooth
+    case CSSPropertyScrollBehavior: // auto | smooth
         ASSERT(RuntimeEnabledFeatures::cssomSmoothScrollEnabled());
-        return valueID == CSSValueInstant || valueID == CSSValueSmooth;
+        return valueID == CSSValueAuto || valueID == CSSValueSmooth;
     case CSSPropertySpeak: // none | normal | spell-out | digits | literal-punctuation | no-punctuation
         return valueID == CSSValueNone || valueID == CSSValueNormal || valueID == CSSValueSpellOut || valueID == CSSValueDigits || valueID == CSSValueLiteralPunctuation || valueID == CSSValueNoPunctuation;
     case CSSPropertyTableLayout: // auto | fixed
         return valueID == CSSValueAuto || valueID == CSSValueFixed;
     case CSSPropertyTextAlignLast:
         // auto | start | end | left | right | center | justify
         ASSERT(RuntimeEnabledFeatures::css3TextEnabled());
         return (valueID >= CSSValueLeft && valueID <= CSSValueJustify) || valueID == CSSValueStart || valueID == CSSValueEnd || valueID == CSSValueAuto;
     case CSSPropertyTextDecorationStyle:
         // solid | double | dotted | dashed | wavy
@@ skipping 397 matching lines @@
     if (RefPtrWillBeRawPtr<CSSValue> color = parseColorValue(propertyID, string, parserMode))
         return color.release();
     if (RefPtrWillBeRawPtr<CSSValue> keyword = parseKeywordValue(propertyID, string))
         return keyword.release();
     if (RefPtrWillBeRawPtr<CSSValue> transform = parseSimpleTransform(propertyID, string))
         return transform.release();
     return nullptr;
 }
 
 } // namespace blink