Assert that unit type conversion works in accumulateLengthArray

third_party/WebKit/Source/core/css/CSSPrimitiveValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2012 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 422 matching lines @@
 void CSSPrimitiveValue::accumulateLengthArray(CSSLengthArray& lengthArray, CSSLengthTypeArray& lengthTypeArray, double multiplier) const
 {
     ASSERT(lengthArray.size() == LengthUnitTypeCount);
 
     if (type() == UnitType::Calc) {
         cssCalcValue()->accumulateLengthArray(lengthArray, lengthTypeArray, multiplier);
         return;
     }
 
     LengthUnitType lengthType;
-    if (unitTypeToLengthUnitType(type(), lengthType)) {
-        lengthArray.at(lengthType) += m_value.num * conversionToCanonicalUnitsScaleFactor(type()) * multiplier;
-        lengthTypeArray.set(lengthType);
-    }
+    bool conversionSuccess = unitTypeToLengthUnitType(type(), lengthType);
+    ASSERT_UNUSED(conversionSuccess, conversionSuccess);
+    lengthArray.at(lengthType) += m_value.num * conversionToCanonicalUnitsScaleFactor(type()) * multiplier;
+    lengthTypeArray.set(lengthType);
 }
 
 void CSSPrimitiveValue::accumulateLengthArray(CSSLengthArray& lengthArray, double multiplier) const
 {
     CSSLengthTypeArray lengthTypeArray;
     lengthTypeArray.resize(CSSPrimitiveValue::LengthUnitTypeCount);
     for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i)
         lengthTypeArray.clear(i);
     return CSSPrimitiveValue::accumulateLengthArray(lengthArray, lengthTypeArray, multiplier);
 }
@@ skipping 385 matching lines @@
         visitor->trace(m_value.calc);
         break;
     default:
         break;
     }
 #endif
     CSSValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink