Force all LayoutUnit construction to be explicit

third_party/WebKit/Source/core/html/shadow/SliderThumbElement.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 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.
@@ skipping 136 matching lines @@
     position = std::min(position, trackSize).clampNegativeToZero();
     const Decimal ratio = Decimal::fromDouble(static_cast<double>(position) / trackSize);
     const Decimal fraction = isVertical || !isLeftToRightDirection ? Decimal(1) - ratio : ratio;
     StepRange stepRange(input->createStepRange(RejectAny));
     Decimal value = stepRange.clampValue(stepRange.valueFromProportion(fraction));
 
     Decimal closest = input->findClosestTickMarkValue(value);
     if (closest.isFinite()) {
         double closestFraction = stepRange.proportionFromValue(closest).toDouble();
         double closestRatio = isVertical || !isLeftToRightDirection ? 1.0 - closestFraction : closestFraction;
-        LayoutUnit closestPosition = trackSize * closestRatio;
-        const LayoutUnit snappingThreshold = 5;
+        LayoutUnit closestPosition(trackSize * closestRatio);
+        const LayoutUnit snappingThreshold(5);
         if ((closestPosition - position).abs() <= snappingThreshold)
             value = closest;
     }
 
     String valueString = serializeForNumberType(value);
     if (valueString == input->value())
         return;
 
     // FIXME: This is no longer being set from renderer. Consider updating the method name.
     input->setValueFromRenderer(valueString);
@@ skipping 157 matching lines @@
     case MediaVolumeSliderThumbPart:
     case MediaFullScreenVolumeSliderPart:
     case MediaFullScreenVolumeSliderThumbPart:
         return mediaSliderContainer;
     default:
         return sliderContainer;
     }
 }
 
 } // namespace blink