Replaced usages of WritingMode to use inline utility functions instead

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 5055 matching lines @@
     const ComputedStyle& parentStyle) const {
   // If the writing modes of the child and parent match, then we don't have to
   // do anything fancy. Just return the result.
   LayoutRect rect = visualOverflowRect();
   if (parentStyle.getWritingMode() == style()->getWritingMode())
     return rect;
 
   // We are putting ourselves into our parent's coordinate space. If there is a
   // flipped block mismatch in a particular axis, then we have to flip the rect
   // along that axis.
-  if (style()->getWritingMode() == RightToLeftWritingMode ||
-      parentStyle.getWritingMode() == RightToLeftWritingMode)
+  if (isFlippedBlocksWritingMode(style()->getWritingMode()) ||
+      isFlippedBlocksWritingMode(parentStyle.getWritingMode()))
     rect.setX(size().width() - rect.maxX());
 
   return rect;
 }
 
 DISABLE_CFI_PERF
 LayoutRect LayoutBox::logicalLayoutOverflowRectForPropagation(
     const ComputedStyle& parentStyle) const {
   LayoutRect rect = layoutOverflowRectForPropagation(parentStyle);
   if (!parentStyle.isHorizontalWritingMode())
@@ skipping 34 matching lines @@
   }
 
   // If the writing modes of the child and parent match, then we don't have to
   // do anything fancy. Just return the result.
   if (parentStyle.getWritingMode() == style()->getWritingMode())
     return rect;
 
   // We are putting ourselves into our parent's coordinate space. If there is a
   // flipped block mismatch in a particular axis, then we have to flip the rect
   // along that axis.
-  if (style()->getWritingMode() == RightToLeftWritingMode ||
-      parentStyle.getWritingMode() == RightToLeftWritingMode)
+  if (isFlippedBlocksWritingMode(style()->getWritingMode()) ||
+      isFlippedBlocksWritingMode(parentStyle.getWritingMode()))
     rect.setX(size().width() - rect.maxX());
 
   return rect;
 }
 
 DISABLE_CFI_PERF
 LayoutRect LayoutBox::noOverflowRect() const {
   // Because of the special coordinate system used for overflow rectangles and
   // many other rectangles (not quite logical, not quite physical), we need to
   // flip the block progression coordinate in vertical-rl writing mode. In other
@@ skipping 525 matching lines @@
     block->adjustChildDebugRect(rect);
 
   return rect;
 }
 
 bool LayoutBox::shouldClipOverflow() const {
   return hasOverflowClip() || styleRef().containsPaint() || hasControlClip();
 }
 
 }  // namespace blink