Add SVG Text to support the CSS 'text-orientation' property

third_party/WebKit/Source/core/layout/svg/LayoutSVGInlineText.cpp

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * 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
@@ skipping 208 matching lines @@
 {
     computeNewScaledFontForStyle(this, m_scalingFactor, m_scaledFont);
 }
 
 void LayoutSVGInlineText::computeNewScaledFontForStyle(LayoutObject* layoutObject, float& scalingFactor, Font& scaledFont)
 {
     const ComputedStyle* style = layoutObject->style();
     ASSERT(style);
     ASSERT(layoutObject);
 
-    // layoutTextOnLineOrPath() expects fonts to do nothing for vertical flow so
-    // that it can position each glyph precisely. Make sure the selected font is
-    // the one for horizontal flow to not to break the assumption.
-    // TODO(kojii): This might be done better by obsoleting the
-    // 'glyph-orientation-vertical' property as recommended in:
-    // https://drafts.csswg.org/css-writing-modes/#glyph-orientation
-    if (style->font().fontDescription().orientation() != FontOrientation::Horizontal) {
-        FontDescription description = style->font().fontDescription();
-        FontSelector* fontSelector = style->font().fontSelector();
-        description.setOrientation(FontOrientation::Horizontal);
-        layoutObject->mutableStyleRef().setFontDescription(description);
-        style->font().update(fontSelector);
-    }
-
     // Alter font-size to the right on-screen value to avoid scaling the glyphs themselves, except when GeometricPrecision is specified.
     scalingFactor = SVGLayoutSupport::calculateScreenFontSizeScalingFactor(layoutObject);
     if (style->effectiveZoom() == 1 && (scalingFactor == 1 || !scalingFactor)) {
         scalingFactor = 1;
         scaledFont = style->font();
         return;
     }
 
     if (style->fontDescription().textRendering() == GeometricPrecision)
         scalingFactor = 1;
@@ skipping 18 matching lines @@
 
 PassRefPtr<StringImpl> LayoutSVGInlineText::originalText() const
 {
     RefPtr<StringImpl> result = LayoutText::originalText();
     if (!result)
         return nullptr;
     return applySVGWhitespaceRules(result, style() && style()->whiteSpace() == PRE);
 }
 
 }