Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 1299 matching lines @@
                 LayoutBoxModelObject* current = searchRoot->layoutObject();
                 LayoutBoxModelObject* parent = searchRoot->parent()->layoutObject();
                 layerOffset->setWidth((parent->offsetLeft(parent->offsetParent()) - current->offsetLeft(parent->offsetParent())).toInt());
                 layerOffset->setHeight((parent->offsetTop(parent->offsetParent()) - current->offsetTop(parent->offsetParent())).toInt());
                 return searchRoot->parent();
             }
         }
 
         LayoutRect rect;
         PaintLayer::mapRectInPaintInvalidationContainerToBacking(*searchRoot->layoutObject(), rect);
-        *layerOffset = IntSize(rect.x(), rect.y());
+        *layerOffset = IntSize(rect.x().toInt(), rect.y().toInt());
         return searchRoot;
     }
 
     // If the |graphicsLayer| is a scroller's scrollingContent layer,
     // consider this is a scrolling layer.
     GraphicsLayer* layerForScrolling = searchRoot->getScrollableArea() ? searchRoot->getScrollableArea()->layerForScrolling() : 0;
     if (graphicsLayer == layerForScrolling) {
         *layerType = "scrolling";
         return searchRoot;
     }
 
     if (searchRoot->compositingState() == PaintsIntoGroupedBacking) {
         GraphicsLayer* squashingLayer = searchRoot->groupedMapping()->squashingLayer();
         if (graphicsLayer == squashingLayer) {
             *layerType ="squashing";
             LayoutRect rect;
             PaintLayer::mapRectInPaintInvalidationContainerToBacking(*searchRoot->layoutObject(), rect);
-            *layerOffset = IntSize(rect.x(), rect.y());
+            *layerOffset = IntSize(rect.x().toInt(), rect.y().toInt());
             return searchRoot;
         }
     }
 
     GraphicsLayer* layerForHorizontalScrollbar = searchRoot->getScrollableArea() ? searchRoot->getScrollableArea()->layerForHorizontalScrollbar() : 0;
     if (graphicsLayer == layerForHorizontalScrollbar) {
         *layerType = "horizontalScrollbar";
         return searchRoot;
     }
 
@@ skipping 1270 matching lines @@
 
 ClientRect* Internals::visualRect(Node* node)
 {
     if (!node || !node->layoutObject())
         return ClientRect::create();
 
     return ClientRect::create(FloatRect(node->layoutObject()->visualRect()));
 }
 
 } // namespace blink