Make the constructor of a LayoutRect from an IntRect explicit.

Source/core/layout/LayoutInline.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 1027 matching lines @@
 
     LayoutInline* endContinuation = inlineElementContinuation();
     while (endContinuation->inlineElementContinuation())
         endContinuation = endContinuation->inlineElementContinuation();
 
     for (LayoutBlock* currBlock = containingBlock(); currBlock && currBlock->isAnonymousBlock(); currBlock = toLayoutBlock(currBlock->nextSibling())) {
         for (LayoutObject* curr = currBlock->firstChild(); curr; curr = curr->nextSibling()) {
             LayoutRect rect = curr->clippedOverflowRectForPaintInvalidation(view());
             context(rect);
             if (curr == endContinuation)
-                return enclosingIntRect(floatResult);
+                return LayoutRect(enclosingIntRect(floatResult));
         }
     }
     return LayoutRect();
 }
 
 LayoutRect LayoutInline::clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const
 {
     // If we don't create line boxes, we don't have any invalidations to do.
     if (!alwaysCreateLineBoxes())
         return LayoutRect();
@@ skipping 376 matching lines @@
 {
     // Convert the style regions to absolute coordinates.
     if (style()->visibility() != VISIBLE)
         return;
 
     if (style()->getDraggableRegionMode() == DraggableRegionNone)
         return;
 
     AnnotatedRegionValue region;
     region.draggable = style()->getDraggableRegionMode() == DraggableRegionDrag;
-    region.bounds = linesBoundingBox();
+    region.bounds = LayoutRect(linesBoundingBox());
 
     LayoutObject* container = containingBlock();
     if (!container)
         container = this;
 
     FloatPoint absPos = container->localToAbsolute();
     region.bounds.setX(absPos.x() + region.bounds.x());
     region.bounds.setY(absPos.y() + region.bounds.y());
 
     regions.append(region);
 }
 
 void LayoutInline::invalidateDisplayItemClients(DisplayItemList* displayItemList) const
 {
     LayoutBoxModelObject::invalidateDisplayItemClients(displayItemList);
     for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
         displayItemList->invalidate(box->displayItemClient());
 }
 
 } // namespace blink