Replaced usages of WritingMode to use inline utility functions instead

third_party/WebKit/Source/core/css/CSSProperty.cpp

 /**
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 36 matching lines @@
 
 enum LogicalBoxSide { BeforeSide, EndSide, AfterSide, StartSide };
 enum PhysicalBoxSide { TopSide, RightSide, BottomSide, LeftSide };
 
 static CSSPropertyID resolveToPhysicalProperty(
     TextDirection direction,
     WritingMode writingMode,
     LogicalBoxSide logicalSide,
     const StylePropertyShorthand& shorthand) {
   if (direction == TextDirection::Ltr) {
-    if (writingMode == TopToBottomWritingMode) {
+    if (isHorizontalWritingMode(writingMode)) {
       // The common case. The logical and physical box sides match.
       // Left = Start, Right = End, Before = Top, After = Bottom
       return shorthand.properties()[logicalSide];
     }
 
-    if (writingMode == LeftToRightWritingMode) {
+    if (isFlippedLinesWritingMode(writingMode)) {
       // Start = Top, End = Bottom, Before = Left, After = Right.
       switch (logicalSide) {
         case StartSide:
           return shorthand.properties()[TopSide];
         case EndSide:
           return shorthand.properties()[BottomSide];
         case BeforeSide:
           return shorthand.properties()[LeftSide];
         default:
           return shorthand.properties()[RightSide];
       }
     }
 
     // Start = Top, End = Bottom, Before = Right, After = Left
     switch (logicalSide) {
       case StartSide:
         return shorthand.properties()[TopSide];
       case EndSide:
         return shorthand.properties()[BottomSide];
       case BeforeSide:
         return shorthand.properties()[RightSide];
       default:
         return shorthand.properties()[LeftSide];
     }
   }
 
-  if (writingMode == TopToBottomWritingMode) {
+  if (isHorizontalWritingMode(writingMode)) {
     // Start = Right, End = Left, Before = Top, After = Bottom
     switch (logicalSide) {
       case StartSide:
         return shorthand.properties()[RightSide];
       case EndSide:
         return shorthand.properties()[LeftSide];
       case BeforeSide:
         return shorthand.properties()[TopSide];
       default:
         return shorthand.properties()[BottomSide];
     }
   }
 
-  if (writingMode == LeftToRightWritingMode) {
+  if (isFlippedLinesWritingMode(writingMode)) {
     // Start = Bottom, End = Top, Before = Left, After = Right
     switch (logicalSide) {
       case StartSide:
         return shorthand.properties()[BottomSide];
       case EndSide:
         return shorthand.properties()[TopSide];
       case BeforeSide:
         return shorthand.properties()[LeftSide];
       default:
         return shorthand.properties()[RightSide];
@@ skipping 166 matching lines @@
   return propertyID != CSSPropertyUnicodeBidi &&
          propertyID != CSSPropertyDirection;
 }
 
 bool CSSProperty::operator==(const CSSProperty& other) const {
   return m_value->equals(*other.m_value) &&
          isImportant() == other.isImportant();
 }
 
 }  // namespace blink