Make the FloatSize constructor from an IntSize explicit.

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 234 matching lines @@
     HIThemeDrawTrack(&trackInfo, 0, cgContext, kHIThemeOrientationNormal);
 
     GraphicsContextStateSaver stateSaver(*paintInfo.context);
 
     if (!layoutProgress.styleRef().isLeftToRightDirection()) {
         paintInfo.context->translate(2 * inflatedRect.x() + inflatedRect.width(), 0);
         paintInfo.context->scale(-1, 1);
     }
 
     if (!paintInfo.context->contextDisabled())
-        imageBuffer->draw(paintInfo.context, FloatRect(inflatedRect.location(), imageBuffer->size()), nullptr, SkXfermode::kSrcOver_Mode);
+        imageBuffer->draw(paintInfo.context, FloatRect(inflatedRect.location(), FloatSize(imageBuffer->size())), nullptr, SkXfermode::kSrcOver_Mode);
     return false;
 }
 
 bool ThemePainterMac::paintMenuListButton(const LayoutObject& o, const PaintInfo& paintInfo, const IntRect& r)
 {
     IntRect bounds = IntRect(r.x() + o.styleRef().borderLeftWidth(),
                              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
@@ skipping 68 matching lines @@
         borderGradientBottomColor = borderGradientBottomColor.blend(tintColor);
         shadowColor = shadowColor.blend(tintColor);
     }
 
     Color tintColor;
     if (!LayoutTheme::isEnabled(o))
         tintColor = Color(255, 255, 255, 128);
 
     bool isVerticalSlider = o.styleRef().appearance() == SliderVerticalPart;
 
-    int fillRadiusSize = (LayoutThemeMac::sliderTrackWidth - LayoutThemeMac::sliderTrackBorderWidth) / 2;
-    IntSize fillRadius(fillRadiusSize, fillRadiusSize);
-    IntRect fillBounds = enclosedIntRect(unzoomedRect);
+    float fillRadiusSize = (LayoutThemeMac::sliderTrackWidth - LayoutThemeMac::sliderTrackBorderWidth) / 2;
+    FloatSize fillRadius(fillRadiusSize, fillRadiusSize);
+    FloatRect fillBounds(enclosedIntRect(unzoomedRect));
     FloatRoundedRect fillRect(fillBounds, fillRadius, fillRadius, fillRadius, fillRadius);
     paintInfo.context->fillRoundedRect(fillRect, fillColor);
 
     FloatSize shadowOffset(isVerticalSlider ? 1 : 0,
                            isVerticalSlider ? 0 : 1);
     float shadowBlur = 3;
     float shadowSpread = 0;
     paintInfo.context->save();
     paintInfo.context->drawInnerShadow(fillRect, shadowColor, shadowOffset, shadowBlur, shadowSpread);
     paintInfo.context->restore();
@@ skipping 230 matching lines @@
         [search setSearchMenuTemplate:nil];
 
     m_layoutTheme.updateActiveState([search searchButtonCell], o);
 
     [[search searchButtonCell] drawWithFrame:unzoomedRect inView:m_layoutTheme.documentViewFor(o)];
     [[search searchButtonCell] setControlView:nil];
     return false;
 }
 
 } // namespace blink