Replaced usages of WritingMode to use inline utility functions instead

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 252 matching lines @@
   int adjustmentHeight = horizontalScrollbarHeight();
   if (!adjustmentWidth && !adjustmentHeight)
     return size;
 
   EFlexDirection flexDirection = style()->flexDirection();
   TextDirection textDirection = style()->direction();
   WritingMode writingMode = style()->getWritingMode();
 
   if (flexDirection == FlowRow) {
     if (textDirection == TextDirection::Rtl) {
-      if (writingMode == TopToBottomWritingMode)
+      if (blink::isHorizontalWritingMode(writingMode))
         size.expand(adjustmentWidth, 0);
       else
         size.expand(0, adjustmentHeight);
     }
-    if (writingMode == RightToLeftWritingMode)
+    if (isFlippedBlocksWritingMode(writingMode))
       size.expand(adjustmentWidth, 0);
   } else if (flexDirection == FlowRowReverse) {
     if (textDirection == TextDirection::Ltr) {
-      if (writingMode == TopToBottomWritingMode)
+      if (blink::isHorizontalWritingMode(writingMode))
         size.expand(adjustmentWidth, 0);
       else
         size.expand(0, adjustmentHeight);
     }
-    if (writingMode == RightToLeftWritingMode)
+    if (isFlippedBlocksWritingMode(writingMode))
       size.expand(adjustmentWidth, 0);
   } else if (flexDirection == FlowColumn) {
-    if (writingMode == RightToLeftWritingMode)
+    if (isFlippedBlocksWritingMode(writingMode))
       size.expand(adjustmentWidth, 0);
   } else {
-    if (writingMode == TopToBottomWritingMode)
+    if (blink::isHorizontalWritingMode(writingMode))
       size.expand(0, adjustmentHeight);
-    else if (writingMode == LeftToRightWritingMode)
+    else if (isFlippedLinesWritingMode(writingMode))
       size.expand(adjustmentWidth, 0);
   }
   return size;
 }
 
 bool LayoutFlexibleBox::hasTopOverflow() const {
   EFlexDirection flexDirection = style()->flexDirection();
   if (isHorizontalWritingMode())
     return flexDirection == FlowColumnReverse;
   return flexDirection ==
@@ skipping 146 matching lines @@
   return style()->isColumnFlexDirection();
 }
 
 bool LayoutFlexibleBox::isHorizontalFlow() const {
   if (isHorizontalWritingMode())
     return !isColumnFlow();
   return isColumnFlow();
 }
 
 bool LayoutFlexibleBox::isLeftToRightFlow() const {
-  if (isColumnFlow())
-    return style()->getWritingMode() == TopToBottomWritingMode ||
-           style()->getWritingMode() == LeftToRightWritingMode;
+  if (isColumnFlow()) {
+    return blink::isHorizontalWritingMode(style()->getWritingMode()) ||
+           isFlippedLinesWritingMode(style()->getWritingMode());
+  }
   return style()->isLeftToRightDirection() ^
          (style()->flexDirection() == FlowRowReverse);
 }
 
 bool LayoutFlexibleBox::isMultiline() const {
   return style()->flexWrap() != FlexNoWrap;
 }
 
 Length LayoutFlexibleBox::flexBasisForChild(const LayoutBox& child) const {
   Length flexLength = child.style()->flexBasis();
@@ skipping 1707 matching lines @@
       LayoutUnit originalOffset =
           lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
       LayoutUnit newOffset =
           contentExtent - originalOffset - lineCrossAxisExtent;
       adjustAlignmentForChild(*flexItem.box, newOffset - originalOffset);
     }
   }
 }
 
 }  // namespace blink