| Index: third_party/WebKit/Source/core/layout/shapes/Shape.cpp
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| diff --git a/third_party/WebKit/Source/core/layout/shapes/Shape.cpp b/third_party/WebKit/Source/core/layout/shapes/Shape.cpp
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| index 12e83537505de5226403cc9b6bb89cb696b1df7a..6dc25f9be91b1d2b8b3bd8fbac69405819503fd7 100644
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| --- a/third_party/WebKit/Source/core/layout/shapes/Shape.cpp
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| +++ b/third_party/WebKit/Source/core/layout/shapes/Shape.cpp
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| @@ -52,13 +52,14 @@
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|  namespace blink {
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|  
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|  static std::unique_ptr<Shape> createInsetShape(const FloatRoundedRect& bounds) {
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| -  ASSERT(bounds.rect().width() >= 0 && bounds.rect().height() >= 0);
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| +  DCHECK_GE(bounds.rect().width(), 0);
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| +  DCHECK_GE(bounds.rect().height(), 0);
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|    return WTF::makeUnique<BoxShape>(bounds);
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|  }
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|  
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|  static std::unique_ptr<Shape> createCircleShape(const FloatPoint& center,
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|                                                  float radius) {
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| -  ASSERT(radius >= 0);
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| +  DCHECK_GE(radius, 0);
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|    return WTF::wrapUnique(
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|        new RectangleShape(FloatRect(center.x() - radius, center.y() - radius,
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|                                     radius * 2, radius * 2),
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| @@ -67,7 +68,8 @@ static std::unique_ptr<Shape> createCircleShape(const FloatPoint& center,
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|  
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|  static std::unique_ptr<Shape> createEllipseShape(const FloatPoint& center,
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|                                                   const FloatSize& radii) {
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| -  ASSERT(radii.width() >= 0 && radii.height() >= 0);
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| +  DCHECK_GE(radii.width(), 0);
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| +  DCHECK_GE(radii.height(), 0);
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|    return WTF::wrapUnique(new RectangleShape(
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|        FloatRect(center.x() - radii.width(), center.y() - radii.height(),
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|                  radii.width() * 2, radii.height() * 2),
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| @@ -112,7 +114,7 @@ std::unique_ptr<Shape> Shape::createShape(const BasicShape* basicShape,
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|                                            const LayoutSize& logicalBoxSize,
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|                                            WritingMode writingMode,
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|                                            float margin) {
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| -  ASSERT(basicShape);
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| +  DCHECK(basicShape);
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|  
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|    bool horizontalWritingMode = isHorizontalWritingMode(writingMode);
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|    float boxWidth = horizontalWritingMode ? logicalBoxSize.width().toFloat()
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| @@ -155,7 +157,7 @@ std::unique_ptr<Shape> Shape::createShape(const BasicShape* basicShape,
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|        const BasicShapePolygon* polygon = toBasicShapePolygon(basicShape);
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|        const Vector<Length>& values = polygon->values();
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|        size_t valuesSize = values.size();
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| -      ASSERT(!(valuesSize % 2));
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| +      DCHECK(!(valuesSize % 2));
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|        std::unique_ptr<Vector<FloatPoint>> vertices =
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|            WTF::wrapUnique(new Vector<FloatPoint>(valuesSize / 2));
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|        for (unsigned i = 0; i < valuesSize; i += 2) {
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| @@ -257,8 +259,8 @@ std::unique_ptr<Shape> Shape::createRasterShape(Image* image,
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|      unsigned pixelArrayOffset = 3;  // Each pixel is four bytes: RGBA.
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|      uint8_t alphaPixelThreshold = threshold * 255;
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|  
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| -    ASSERT(static_cast<unsigned>(imageRect.width() * imageRect.height() * 4) ==
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| -           pixelArray->length());
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| +    DCHECK_EQ(static_cast<unsigned>(imageRect.width() * imageRect.height() * 4),
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| +              pixelArray->length());
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|  
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|      int minBufferY = std::max(0, marginRect.y() - imageRect.y());
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|      int maxBufferY =
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| 
 |