Even more explicit LayoutUnit conversion

third_party/WebKit/Source/core/layout/LayoutReplaced.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. 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 236 matching lines @@
     }
 
     /*-----------------------------------------------------------------------*\
      * 4. If at this point both 'margin-left' and 'margin-right' are still
      *    'auto', solve the equation under the extra constraint that the two
      *    margins must get equal values, unless this would make them negative,
      *    in which case when the direction of the containing block is 'ltr'
      *    ('rtl'), set 'margin-left' ('margin-right') to zero and solve for
      *    'margin-right' ('margin-left').
     \*-----------------------------------------------------------------------*/
-    LayoutUnit logicalLeftValue = 0;
-    LayoutUnit logicalRightValue = 0;
+    LayoutUnit logicalLeftValue;
+    LayoutUnit logicalRightValue;
 
     if (marginLogicalLeft.isAuto() && marginLogicalRight.isAuto()) {
         // 'left' and 'right' cannot be 'auto' due to step 3
         ASSERT(!(logicalLeft.isAuto() && logicalRight.isAuto()));
 
         logicalLeftValue = valueForLength(logicalLeft, containerLogicalWidth);
         logicalRightValue = valueForLength(logicalRight, containerLogicalWidth);
 
         LayoutUnit difference = availableSpace - (logicalLeftValue + logicalRightValue);
         if (difference > 0) {
@@ skipping 139 matching lines @@
             marginBefore.setValue(Fixed, 0);
         if (marginAfter.isAuto())
             marginAfter.setValue(Fixed, 0);
     }
 
     /*-----------------------------------------------------------------------*\
      * 4. If at this point both 'margin-top' and 'margin-bottom' are still
      *    'auto', solve the equation under the extra constraint that the two
      *    margins must get equal values.
     \*-----------------------------------------------------------------------*/
-    LayoutUnit logicalTopValue = 0;
-    LayoutUnit logicalBottomValue = 0;
+    LayoutUnit logicalTopValue;
+    LayoutUnit logicalBottomValue;
 
     if (marginBefore.isAuto() && marginAfter.isAuto()) {
         // 'top' and 'bottom' cannot be 'auto' due to step 2 and 3 combined.
         ASSERT(!(logicalTop.isAuto() || logicalBottom.isAuto()));
 
         logicalTopValue = valueForLength(logicalTop, containerLogicalHeight);
         logicalBottomValue = valueForLength(logicalBottom, containerLogicalHeight);
 
         LayoutUnit difference = availableSpace - (logicalTopValue + logicalBottomValue);
         // NOTE: This may result in negative values.
@@ skipping 315 matching lines @@
     // We only include the space below the baseline in our layer's cached paint invalidation rect if the
     // image is selected. Since the selection state has changed update the rect.
     if (hasLayer())
         setPreviousPaintInvalidationRect(boundsRectForPaintInvalidation(containerForPaintInvalidation()));
 
     if (canUpdateSelectionOnRootLineBoxes())
         inlineBoxWrapper()->root().setHasSelectedChildren(state != SelectionNone);
 }
 
 } // namespace blink