Support subpixel layout for borders.

third_party/WebKit/Source/core/paint/FileUploadControlPainter.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 "core/paint/FileUploadControlPainter.h"
 
 #include "core/layout/LayoutButton.h"
 #include "core/layout/LayoutFileUploadControl.h"
 #include "core/layout/TextRunConstructor.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
@@ skipping 11 matching lines @@
     return;
 
   // Push a clip.
   Optional<ClipRecorder> clipRecorder;
   if (paintInfo.phase == PaintPhaseForeground ||
       paintInfo.phase == PaintPhaseDescendantBlockBackgroundsOnly) {
     IntRect clipRect = enclosingIntRect(LayoutRect(
         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,
                          DisplayItem::kClipFileUploadControlRect, clipRect);
   }
 
   if (paintInfo.phase == PaintPhaseForeground &&
       !LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
           paintInfo.context, m_layoutFileUploadControl, paintInfo.phase)) {
     const String& displayedFilename = m_layoutFileUploadControl.fileTextValue();
@@ skipping 59 matching lines @@
         font, textRunPaintInfo,
         FloatPoint(roundToInt(textX), roundToInt(textY)));
   }
 
   // Paint the children.
   m_layoutFileUploadControl.LayoutBlockFlow::paintObject(paintInfo,
                                                          paintOffset);
 }
 
 }  // namespace blink