Even more explicit LayoutUnit conversion

third_party/WebKit/Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 370 matching lines @@
     FloatRect oldBoundaries = objectBoundingBox();
     ASSERT(childrenInline());
 
     rebuildFloatsFromIntruding();
 
     LayoutUnit beforeEdge = borderBefore() + paddingBefore();
     LayoutUnit afterEdge = borderAfter() + paddingAfter() + scrollbarLogicalHeight();
     setLogicalHeight(beforeEdge);
 
     LayoutState state(*this, locationOffset());
-    LayoutUnit paintInvalidationLogicalTop = 0;
-    LayoutUnit paintInvalidationLogicalBottom = 0;
+    LayoutUnit paintInvalidationLogicalTop;
+    LayoutUnit paintInvalidationLogicalBottom;
     layoutInlineChildren(true, paintInvalidationLogicalTop, paintInvalidationLogicalBottom, afterEdge);
 
     if (m_needsReordering)
         m_needsReordering = false;
 
     // If we don't have any line boxes, then make sure the frame rect is still cleared.
     if (!firstLineBox())
         setFrameRect(LayoutRect());
 
     m_overflow.clear();
@@ skipping 127 matching lines @@
         paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
 
     ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
     PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer());
     if (reason == PaintInvalidationSVGResourceChange)
         childTreeWalkState.setForceSubtreeInvalidationWithinContainer();
     invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
 
 } // namespace blink