Disallow cast/implicit conversion from LayoutUnit to int/unsigned

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

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 175 matching lines @@
     flexGrow = std::max(1.0f, flexGrow);
     float maxContentFlexFraction = maxPreferredLogicalWidth.toFloat() / flexGrow;
     if (previousMaxContentFlexFraction != -1 && maxContentFlexFraction != previousMaxContentFlexFraction)
         UseCounter::count(document(), UseCounter::FlexboxIntrinsicSizeAlgorithmIsDifferent);
     return maxContentFlexFraction;
 }
 
 static int synthesizedBaselineFromContentBox(const LayoutBox& box, LineDirectionMode direction)
 {
     if (direction == HorizontalLine) {
-        return box.size().height() - box.borderBottom() - box.paddingBottom() - box.verticalScrollbarWidth();
+        return (box.size().height() - box.borderBottom() - box.paddingBottom() - box.verticalScrollbarWidth()).toInt();
     }
-    return box.size().width() - box.borderLeft() - box.paddingLeft() - box.horizontalScrollbarHeight();
+    return (box.size().width() - box.borderLeft() - box.paddingLeft() - box.horizontalScrollbarHeight()).toInt();
 }
 
 int LayoutFlexibleBox::baselinePosition(FontBaseline, bool, LineDirectionMode direction, LinePositionMode mode) const
 {
     DCHECK_EQ(mode, PositionOnContainingLine);
     int baseline = firstLineBoxBaseline();
     if (baseline == -1)
         baseline = synthesizedBaselineFromContentBox(*this, direction);
 
     return beforeMarginInLineDirection(direction) + baseline;
@@ skipping 27 matching lines @@
 
         ++childNumber;
         if (childNumber == m_numberOfInFlowChildrenOnFirstLine)
             break;
     }
 
     if (!baselineChild)
         return -1;
 
     if (!isColumnFlow() && hasOrthogonalFlow(*baselineChild))
-        return crossAxisExtentForChild(*baselineChild) + baselineChild->logicalTop();
+        return (crossAxisExtentForChild(*baselineChild) + baselineChild->logicalTop()).toInt();
     if (isColumnFlow() && !hasOrthogonalFlow(*baselineChild))
-        return mainAxisExtentForChild(*baselineChild) + baselineChild->logicalTop();
+        return (mainAxisExtentForChild(*baselineChild) + baselineChild->logicalTop()).toInt();
 
     int baseline = baselineChild->firstLineBoxBaseline();
     if (baseline == -1) {
         // FIXME: We should pass |direction| into firstLineBoxBaseline and stop bailing out if we're a writing mode root.
         // This would also fix some cases where the flexbox is orthogonal to its container.
         LineDirectionMode direction = isHorizontalWritingMode() ? HorizontalLine : VerticalLine;
-        return synthesizedBaselineFromContentBox(*baselineChild, direction) + baselineChild->logicalTop();
+        return (synthesizedBaselineFromContentBox(*baselineChild, direction) + baselineChild->logicalTop()).toInt();
     }
 
-    return baseline + baselineChild->logicalTop();
+    return (baseline + baselineChild->logicalTop()).toInt();
 }
 
 int LayoutFlexibleBox::inlineBlockBaseline(LineDirectionMode direction) const
 {
     int baseline = firstLineBoxBaseline();
     if (baseline != -1)
         return baseline;
 
-    int marginAscent = direction == HorizontalLine ? marginTop() : marginRight();
+    int marginAscent = (direction == HorizontalLine ? marginTop() : marginRight()).toInt();
     return synthesizedBaselineFromContentBox(*this, direction) + marginAscent;
 }
 
 IntSize LayoutFlexibleBox::originAdjustmentForScrollbars() const
 {
     IntSize size;
     int adjustmentWidth = verticalScrollbarWidth();
     int adjustmentHeight = horizontalScrollbarHeight();
     if (!adjustmentWidth && !adjustmentHeight)
         return size;
@@ skipping 1653 matching lines @@
             DCHECK(child);
             LayoutUnit lineCrossAxisExtent = lineContexts[lineNumber].crossAxisExtent;
             LayoutUnit originalOffset = lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
             LayoutUnit newOffset = contentExtent - originalOffset - lineCrossAxisExtent;
             adjustAlignmentForChild(*child, newOffset - originalOffset);
         }
     }
 }
 
 } // namespace blink