Support subpixel layout for borders.

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

Index: third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp b/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
index 9ef6246c246db99fcc02c76c615784240e1d943b..e72a50d211a52490e3ab0f56d55d0dc75ae708cb 100644
--- a/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/FileUploadControlPainter.cpp
@@ -29,8 +29,8 @@ void FileUploadControlPainter::paintObject(const PaintInfo& paintInfo,
         LayoutPoint(paintOffset.x() + m_layoutFileUploadControl.borderLeft(),
                     paintOffset.y() + m_layoutFileUploadControl.borderTop()),
         m_layoutFileUploadControl.size() +
-            LayoutSize(0, -m_layoutFileUploadControl.borderWidth() +
-                              buttonShadowHeight)));
+            LayoutSize(LayoutUnit(), -m_layoutFileUploadControl.borderWidth() +
+                                         buttonShadowHeight)));
     if (clipRect.isEmpty())
       return;
     clipRecorder.emplace(paintInfo.context, m_layoutFileUploadControl,