More explicit LayoutUnit conversions

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

 /**
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 224 matching lines @@
     if (LayoutBox* innerEditorLayoutBox = innerEditorElement()->layoutBox())
         maxLogicalWidth += innerEditorLayoutBox->paddingStart() + innerEditorLayoutBox->paddingEnd();
     if (!style()->logicalWidth().hasPercent())
         minLogicalWidth = maxLogicalWidth;
 }
 
 void LayoutTextControl::computePreferredLogicalWidths()
 {
     ASSERT(preferredLogicalWidthsDirty());
 
-    m_minPreferredLogicalWidth = 0;
-    m_maxPreferredLogicalWidth = 0;
+    m_minPreferredLogicalWidth = LayoutUnit();
+    m_maxPreferredLogicalWidth = LayoutUnit();
     const ComputedStyle& styleToUse = styleRef();
 
     if (styleToUse.logicalWidth().isFixed() && styleToUse.logicalWidth().value() >= 0)
         m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalWidth().value());
     else
         computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
 
     if (styleToUse.logicalMinWidth().isFixed() && styleToUse.logicalMinWidth().value() > 0) {
         m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
         m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
@@ skipping 22 matching lines @@
     HTMLElement* placeholder = toHTMLTextFormControlElement(node())->placeholderElement();
     LayoutObject* placeholderLayoutObject = placeholder ? placeholder->layoutObject() : nullptr;
     if (!placeholderLayoutObject)
         return nullptr;
     if (relayoutChildren)
         layoutScope.setChildNeedsLayout(placeholderLayoutObject);
     return placeholderLayoutObject;
 }
 
 } // namespace blink