Force all LayoutUnit construction to be explicit

third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@gmail.com>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 1263 matching lines @@
     bool isBoxSizingBorder = box().style()->boxSizing() == BORDER_BOX;
 
     EResize resize = box().style()->resize();
     if (resize != RESIZE_VERTICAL && difference.width()) {
         if (element->isFormControlElement()) {
             // Make implicit margins from the theme explicit (see <http://bugs.webkit.org/show_bug.cgi?id=9547>).
             element->setInlineStyleProperty(CSSPropertyMarginLeft, box().marginLeft() / zoomFactor, CSSPrimitiveValue::UnitType::Pixels);
             element->setInlineStyleProperty(CSSPropertyMarginRight, box().marginRight() / zoomFactor, CSSPrimitiveValue::UnitType::Pixels);
         }
         LayoutUnit baseWidth = box().size().width() - (isBoxSizingBorder ? LayoutUnit() : box().borderAndPaddingWidth());
-        baseWidth = baseWidth / zoomFactor;
+        baseWidth = LayoutUnit(baseWidth / zoomFactor);
         element->setInlineStyleProperty(CSSPropertyWidth, roundToInt(baseWidth + difference.width()), CSSPrimitiveValue::UnitType::Pixels);
     }
 
     if (resize != RESIZE_HORIZONTAL && difference.height()) {
         if (element->isFormControlElement()) {
             // Make implicit margins from the theme explicit (see <http://bugs.webkit.org/show_bug.cgi?id=9547>).
             element->setInlineStyleProperty(CSSPropertyMarginTop, box().marginTop() / zoomFactor, CSSPrimitiveValue::UnitType::Pixels);
             element->setInlineStyleProperty(CSSPropertyMarginBottom, box().marginBottom() / zoomFactor, CSSPrimitiveValue::UnitType::Pixels);
         }
         LayoutUnit baseHeight = box().size().height() - (isBoxSizingBorder ? LayoutUnit() : box().borderAndPaddingHeight());
-        baseHeight = baseHeight / zoomFactor;
+        baseHeight = LayoutUnit(baseHeight / zoomFactor);
         element->setInlineStyleProperty(CSSPropertyHeight, roundToInt(baseHeight + difference.height()), CSSPrimitiveValue::UnitType::Pixels);
     }
 
     document.updateLayout();
 
     // FIXME (Radar 4118564): We should also autoscroll the window as necessary to keep the point under the cursor in view.
 }
 
 LayoutRect PaintLayerScrollableArea::scrollIntoView(const LayoutRect& rect, const ScrollAlignment& alignX, const ScrollAlignment& alignY, ScrollType scrollType)
 {
@@ skipping 228 matching lines @@
 }
 
 DEFINE_TRACE(PaintLayerScrollableArea::ScrollbarManager)
 {
     visitor->trace(m_scrollableArea);
     visitor->trace(m_hBar);
     visitor->trace(m_vBar);
 }
 
 } // namespace blink