Remove ASSERT_UNUSED

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

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ skipping 100 matching lines @@
     return CSSPrimitiveValue::create(length.value(),
                                      CSSPrimitiveValue::UnitType::Pixels);
   return CSSValue::create(length, style.effectiveZoom());
 }
 
 static CSSValueList* createPositionListForLayer(CSSPropertyID propertyID,
                                                 const FillLayer& layer,
                                                 const ComputedStyle& style) {
   CSSValueList* positionList = CSSValueList::createSpaceSeparated();
   if (layer.isBackgroundXOriginSet()) {
-    ASSERT_UNUSED(propertyID, propertyID == CSSPropertyBackgroundPosition ||
-                                  propertyID == CSSPropertyWebkitMaskPosition);
+    DCHECK(propertyID == CSSPropertyBackgroundPosition ||
+           propertyID == CSSPropertyWebkitMaskPosition);
     positionList->append(
         *CSSIdentifierValue::create(layer.backgroundXOrigin()));
   }
   positionList->append(
       *zoomAdjustedPixelValueForLength(layer.xPosition(), style));
   if (layer.isBackgroundYOriginSet()) {
     ASSERT(propertyID == CSSPropertyBackgroundPosition ||
            propertyID == CSSPropertyWebkitMaskPosition);
     positionList->append(
         *CSSIdentifierValue::create(layer.backgroundYOrigin()));
@@ skipping 3446 matching lines @@
     case CSSPropertyAll:
       return nullptr;
     default:
       break;
   }
   ASSERT_NOT_REACHED();
   return nullptr;
 }
 
 }  // namespace blink