Fix CSS outline property in flipped blocks Writing Mode (vertical-rl)

third_party/WebKit/Source/core/paint/ObjectPainter.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/paint/ObjectPainter.h"
 
+#include "core/layout/LayoutBlock.h"
 #include "core/layout/LayoutInline.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/paint/BoxBorderPainter.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/PaintInfo.h"
 #include "core/style/BorderEdge.h"
 #include "core/style/ComputedStyle.h"
 #include "platform/geometry/LayoutPoint.h"
 
@@ skipping 181 matching lines @@
         return;
 
     Vector<LayoutRect> outlineRects;
     m_layoutObject.addOutlineRects(outlineRects, paintOffset, m_layoutObject.outlineRectsShouldIncludeBlockVisualOverflow());
     if (outlineRects.isEmpty())
         return;
 
     if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutObject, paintInfo.phase, paintOffset))
         return;
 
+    // The result rects are in coordinates of m_layoutObject's border box.
+    // Block flipping is not applied yet if !m_layoutObject.isBox().
+    if (!m_layoutObject.isBox() && m_layoutObject.styleRef().isFlippedBlocksWritingMode()) {
+        LayoutBlock* container = m_layoutObject.containingBlock();
+        if (container)
+            m_layoutObject.localToContainerRects(outlineRects, container, -paintOffset, paintOffset);
+    }
+
     Vector<IntRect> pixelSnappedOutlineRects;
     for (auto& r : outlineRects)
         pixelSnappedOutlineRects.append(pixelSnappedIntRect(r));
 
     IntRect unitedOutlineRect = unionRectEvenIfEmpty(pixelSnappedOutlineRects);
     IntRect bounds = unitedOutlineRect;
     bounds.inflate(m_layoutObject.styleRef().outlineOutsetExtent());
     LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutObject, paintInfo.phase, bounds, paintOffset);
 
     Color color = m_layoutObject.resolveColor(styleToUse, CSSPropertyOutlineColor);
@@ skipping 298 matching lines @@
         quad[1] = FloatPoint(x1, y2 - std::max(adjacentWidth2, 0));
         quad[2] = FloatPoint(x2, y2 - std::max(-adjacentWidth2, 0));
         quad[3] = FloatPoint(x2, y1 + std::max(-adjacentWidth1, 0));
         break;
     }
 
     graphicsContext->fillPolygon(4, quad, color, antialias);
 }
 
 } // namespace blink