Fix RTL rendering of SELECT on macOS and input[type=color] on all platforms.

third_party/WebKit/Source/core/paint/ThemePainterMac.mm

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 242 matching lines @@
                              r.y() + o.styleRef().borderTopWidth(),
                              r.width() - o.styleRef().borderLeftWidth() - o.styleRef().borderRightWidth(),
                              r.height() - o.styleRef().borderTopWidth() - o.styleRef().borderBottomWidth());
     // Since we actually know the size of the control here, we restrict the font
     // scale to make sure the arrows will fit vertically in the bounds
     float fontScale = std::min(o.styleRef().fontSize() / LayoutThemeMac::baseFontSize,
         bounds.height() / (LayoutThemeMac::menuListBaseArrowHeight * 2 + LayoutThemeMac::menuListBaseSpaceBetweenArrows));
     float centerY = bounds.y() + bounds.height() / 2.0f;
     float arrowHeight = LayoutThemeMac::menuListBaseArrowHeight * fontScale;
     float arrowWidth = LayoutThemeMac::menuListBaseArrowWidth * fontScale;
-    float leftEdge = bounds.maxX() - LayoutThemeMac::menuListArrowPaddingRight * o.styleRef().effectiveZoom() - arrowWidth;
     float spaceBetweenArrows = LayoutThemeMac::menuListBaseSpaceBetweenArrows * fontScale;
-
-    if (bounds.width() < arrowWidth + LayoutThemeMac::menuListArrowPaddingLeft * o.styleRef().effectiveZoom())
+    float scaledPaddingEnd = LayoutThemeMac::menuListArrowPaddingEnd * o.styleRef().effectiveZoom();
+    float leftEdge;
+    if (o.styleRef().direction() == LTR) {
+        leftEdge = bounds.maxX() - scaledPaddingEnd - arrowWidth;
+    } else {
+        leftEdge = bounds.x() + scaledPaddingEnd;
+    }
+    if (bounds.width() < arrowWidth + scaledPaddingEnd)
         return false;
 
     Color color = o.styleRef().visitedDependentColor(CSSPropertyColor);
     SkPaint paint = paintInfo.context.fillPaint();
     paint.setAntiAlias(true);
     paint.setColor(color.rgb());
 
     SkPath arrow1;
     arrow1.moveTo(leftEdge, centerY - spaceBetweenArrows / 2.0f);
     arrow1.lineTo(leftEdge + arrowWidth, centerY - spaceBetweenArrows / 2.0f);
@@ skipping 266 matching lines @@
     paintInfo.context.rotate(deg2rad(-45.0));
     paintInfo.context.translate(-centerX, -centerY);
 
     paintInfo.context.setFillColor(fillColor);
     paintInfo.context.fillEllipse(unzoomedRect);
 
     return false;
 }
 
 } // namespace blink