Make the FloatSize constructor from an IntSize explicit.

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 377 matching lines @@
 {
     WebLayer* contentsLayer = contentsLayerIfRegistered();
     if (!contentsLayer)
         return;
 
     contentsLayer->setPosition(FloatPoint(m_contentsRect.x(), m_contentsRect.y()));
     contentsLayer->setBounds(IntSize(m_contentsRect.width(), m_contentsRect.height()));
 
     if (m_contentsClippingMaskLayer) {
         if (m_contentsClippingMaskLayer->size() != m_contentsRect.size()) {
-            m_contentsClippingMaskLayer->setSize(m_contentsRect.size());
+            m_contentsClippingMaskLayer->setSize(FloatSize(m_contentsRect.size()));
             m_contentsClippingMaskLayer->setNeedsDisplay();
         }
         m_contentsClippingMaskLayer->setPosition(FloatPoint());
         m_contentsClippingMaskLayer->setOffsetFromLayoutObject(offsetFromLayoutObject() + IntSize(m_contentsRect.location().x(), m_contentsRect.location().y()));
     }
 }
 
 static HashSet<int>* s_registeredLayerSet;
 
 void GraphicsLayer::registerContentsLayer(WebLayer* layer)
@@ skipping 796 matching lines @@
 {
     if (!layer) {
         fprintf(stderr, "Cannot showGraphicsLayerTree for (nil).\n");
         return;
     }
 
     String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
     fprintf(stderr, "%s\n", output.utf8().data());
 }
 #endif