Use LayoutUnit in NinePieceImage drawing

third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp

Index: third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp b/third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp
index 402aed20b53aa622d3d1edf95f8ebac134add22d..b9a9ead1e4e40ed518dacf76b72aea83508aed7e 100644
--- a/third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp
+++ b/third_party/WebKit/Source/core/paint/NinePieceImagePainter.cpp
@@ -50,14 +50,14 @@ bool NinePieceImagePainter::paint(GraphicsContext* graphicsContext, const Layout
     rectWithOutsets.expand(style.imageOutsets(ninePieceImage));
     LayoutRect borderImageRect = rectWithOutsets;
 
-    IntSize imageSize = roundedIntSize(m_layoutObject.calculateImageIntrinsicDimensions(styleImage, borderImageRect.size(),
-        LayoutBoxModelObject::DoNotScaleByEffectiveZoom));
+    LayoutSize imageSize = m_layoutObject.calculateImageIntrinsicDimensions(styleImage, borderImageRect.size(),
+        LayoutBoxModelObject::DoNotScaleByEffectiveZoom);
 
     IntRectOutsets borderWidths(style.borderTopWidth(), style.borderRightWidth(),
         style.borderBottomWidth(), style.borderLeftWidth());
-    NinePieceImageGrid grid(ninePieceImage, imageSize, pixelSnappedIntRect(borderImageRect), borderWidths);
+    NinePieceImageGrid grid(ninePieceImage, imageSize, borderImageRect, borderWidths);
 
-    RefPtr<Image> image = styleImage->image(&m_layoutObject, imageSize, style.effectiveZoom());
+    RefPtr<Image> image = styleImage->image(&m_layoutObject, flooredIntSize(imageSize), style.effectiveZoom());
 
     InterpolationQuality interpolationQuality = BoxPainter::chooseInterpolationQuality(m_layoutObject,
         graphicsContext, image.get(), 0, rectWithOutsets.size());