Make getComputedStyle(e).transform return correct values for non-transformable elements

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 913 matching lines @@
         transformValue->append(zoomAdjustedNumberValue(transform.m42(), style));
         transformValue->append(zoomAdjustedNumberValue(transform.m43(), style));
         transformValue->append(cssValuePool().createValue(transform.m44(), CSSPrimitiveValue::UnitType::Number));
     }
 
     return transformValue.release();
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> computedTransform(const LayoutObject* layoutObject, const ComputedStyle& style)
 {
-    if (!layoutObject || !layoutObject->hasTransformRelatedProperty() || !style.hasTransform())
+    if (!layoutObject || !style.hasTransform())
         return cssValuePool().createIdentifierValue(CSSValueNone);
 
     IntRect box;
     if (layoutObject->isBox())
         box = pixelSnappedIntRect(toLayoutBox(layoutObject)->borderBoxRect());
 
     TransformationMatrix transform;
     style.applyTransform(transform, LayoutSize(box.size()), ComputedStyle::ExcludeTransformOrigin, ComputedStyle::ExcludeMotionPath, ComputedStyle::ExcludeIndependentTransformProperties);
 
     // FIXME: Need to print out individual functions (https://bugs.webkit.org/show_bug.cgi?id=23924)
@@ skipping 1744 matching lines @@
     case CSSPropertyAll:
         return nullptr;
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 }