Remove the "horizontal-bt" value from -webkit-writing-mode

third_party/WebKit/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/CSSFunctionValue.h"
 #include "core/css/CSSValuePool.h"
@@ skipping 670 matching lines @@
         return valueID == CSSValueDisc || valueID == CSSValueCircle || valueID == CSSValueSquare || valueID == CSSValueNone;
     case CSSPropertyTransformStyle:
         return valueID == CSSValueFlat || valueID == CSSValuePreserve3d;
     case CSSPropertyWebkitUserDrag: // auto | none | element
         return valueID == CSSValueAuto || valueID == CSSValueNone || valueID == CSSValueElement;
     case CSSPropertyWebkitUserModify: // read-only | read-write
         return valueID == CSSValueReadOnly || valueID == CSSValueReadWrite || valueID == CSSValueReadWritePlaintextOnly;
     case CSSPropertyWebkitUserSelect: // auto | none | text | all
         return valueID == CSSValueAuto || valueID == CSSValueNone || valueID == CSSValueText || valueID == CSSValueAll;
     case CSSPropertyWebkitWritingMode:
-        return valueID >= CSSValueHorizontalTb && valueID <= CSSValueHorizontalBt;
+        return valueID >= CSSValueHorizontalTb && valueID <= CSSValueVerticalLr;
     case CSSPropertyWritingMode:
         return valueID == CSSValueHorizontalTb
             || valueID == CSSValueVerticalRl || valueID == CSSValueVerticalLr
             || valueID == CSSValueLrTb || valueID == CSSValueRlTb || valueID == CSSValueTbRl
             || valueID == CSSValueLr || valueID == CSSValueRl || valueID == CSSValueTb;
     case CSSPropertyWhiteSpace: // normal | pre | nowrap
         return valueID == CSSValueNormal || valueID == CSSValuePre || valueID == CSSValuePreWrap || valueID == CSSValuePreLine || valueID == CSSValueNowrap;
     case CSSPropertyWordBreak: // normal | break-all | keep-all | break-word (this is a custom extension)
         return valueID == CSSValueNormal || valueID == CSSValueBreakAll || valueID == CSSValueKeepAll || valueID == CSSValueBreakWord;
     case CSSPropertyScrollSnapType: // none | mandatory | proximity
@@ skipping 321 matching lines @@
     if (isColorPropertyID(propertyID))
         return parseColor(string, parserMode);
     if (RefPtrWillBeRawPtr<CSSValue> keyword = parseKeywordValue(propertyID, string))
         return keyword.release();
     if (RefPtrWillBeRawPtr<CSSValue> transform = parseSimpleTransform(propertyID, string))
         return transform.release();
     return nullptr;
 }
 
 } // namespace blink