Making LayoutUnit conversions to Float type explicit

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 5049 matching lines @@
     return node;
 }
 
 void Document::adjustFloatQuadsForScrollAndAbsoluteZoom(Vector<FloatQuad>& quads, RenderObject& renderer)
 {
     if (!view())
         return;
 
     LayoutRect visibleContentRect = view()->visibleContentRect();
     for (size_t i = 0; i < quads.size(); ++i) {
-        quads[i].move(-FloatSize(visibleContentRect.x(), visibleContentRect.y()));
+        quads[i].move(-FloatSize(visibleContentRect.x().toFloat(), visibleContentRect.y().toFloat()));
         adjustFloatQuadForAbsoluteZoom(quads[i], renderer);
     }
 }
 
 void Document::adjustFloatRectForScrollAndAbsoluteZoom(FloatRect& rect, RenderObject& renderer)
 {
     if (!view())
         return;
 
     LayoutRect visibleContentRect = view()->visibleContentRect();
-    rect.move(-FloatSize(visibleContentRect.x(), visibleContentRect.y()));
+    rect.move(-FloatSize(visibleContentRect.x().toFloat(), visibleContentRect.y().toFloat()));
     adjustFloatRectForAbsoluteZoom(rect, renderer);
 }
 
 bool Document::hasActiveParser()
 {
     return m_activeParserCount || (m_parser && m_parser->processingData());
 }
 
 void Document::decrementActiveParserCount()
 {
@@ skipping 352 matching lines @@
 }
 
 void Document::invalidateNodeListCaches(const QualifiedName* attrName)
 {
     HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
     for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
         (*it)->invalidateCache(attrName);
 }
 
 } // namespace WebCore