CSS: Retire runtime flag CSSMotionPath

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 2401 matching lines @@
     case CSSPropertyOutline:
         return valuesForShorthandProperty(outlineShorthand(), style, layoutObject, styledNode, allowVisitedStyle);
     case CSSPropertyPadding:
         return valuesForSidesShorthand(paddingShorthand(), style, layoutObject, styledNode, allowVisitedStyle);
     // Individual properties not part of the spec.
     case CSSPropertyBackgroundRepeatX:
     case CSSPropertyBackgroundRepeatY:
         return nullptr;
 
     case CSSPropertyMotion:
-        ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
         return valuesForShorthandProperty(motionShorthand(), style, layoutObject, styledNode, allowVisitedStyle);
 
     case CSSPropertyMotionPath: {
-        ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
         const StyleMotionPath* styleMotionPath = style.motionPath();
         if (!styleMotionPath)
             return cssValuePool().createIdentifierValue(CSSValueNone);
 
         ASSERT(styleMotionPath->isPathStyleMotionPath());
         return CSSPathValue::create(toPathStyleMotionPath(styleMotionPath)->pathString());
     }
 
     case CSSPropertyMotionOffset:
-        ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
         return zoomAdjustedPixelValueForLength(style.motionOffset(), style);
 
     case CSSPropertyMotionRotation: {
-        ASSERT(RuntimeEnabledFeatures::cssMotionPathEnabled());
         RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
         if (style.motionRotationType() == MotionRotationAuto)
             list->append(cssValuePool().createIdentifierValue(CSSValueAuto));
         list->append(cssValuePool().createValue(style.motionRotation(), CSSPrimitiveValue::UnitType::Degrees));
         return list.release();
     }
 
     // Unimplemented CSS 3 properties (including CSS3 shorthand properties).
     case CSSPropertyWebkitTextEmphasis:
         return nullptr;
@@ skipping 239 matching lines @@
     case CSSPropertyAll:
         return nullptr;
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 }