Make the constructor of a LayoutRect from an IntRect explicit.

Source/modules/accessibility/AXLayoutObject.cpp

 /*
 * Copyright (C) 2008 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
@@ skipping 2367 matching lines @@
         obj = obj->node()->renderer();
 
     // absoluteFocusRingBoundingBox will query the hierarchy below this element, which for large webpages can be very slow.
     // For a web area, which will have the most elements of any element, absoluteQuads should be used.
     // We should also use absoluteQuads for SVG elements, otherwise transforms won't be applied.
 
     LayoutRect result;
     if (obj->isText()) {
         Vector<FloatQuad> quads;
         toRenderText(obj)->absoluteQuads(quads, 0, RenderText::ClipToEllipsis);
-        result = boundingBoxForQuads(obj, quads);
+        result = LayoutRect(boundingBoxForQuads(obj, quads));
     } else if (isWebArea() || obj->isSVGRoot()) {
-        result = obj->absoluteBoundingBoxRect();
+        result = LayoutRect(obj->absoluteBoundingBoxRect());
     } else {
-        result = obj->absoluteFocusRingBoundingBoxRect();
+        result = LayoutRect(obj->absoluteFocusRingBoundingBoxRect());
     }
 
     Document* document = this->document();
     if (document && document->isSVGDocument())
         offsetBoundingBoxForRemoteSVGElement(result);
     if (document && document->frame() && document->frame()->pagePopupOwner()) {
         IntPoint popupOrigin = document->view()->contentsToScreen(IntRect()).location();
         IntPoint mainOrigin = axObjectCache()->rootObject()->documentFrameView()->contentsToScreen(IntRect()).location();
         result.moveBy(IntPoint(popupOrigin - mainOrigin));
     }
 
     // The size of the web area should be the content size, not the clipped size.
     if (isWebArea() && obj->frame()->view())
         result.setSize(LayoutSize(obj->frame()->view()->contentsSize()));
 
     // Checkboxes and radio buttons include their label as part of their rect.
     if (isCheckboxOrRadio()) {
         HTMLLabelElement* label = labelForElement(toElement(m_renderer->node()));
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace blink