CSSGradientValue::getStopColors(): unnecessary use of HeapVector<>.

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

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2015 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 555 matching lines @@
 
 bool CSSGradientValue::knownToBeOpaque(const LayoutObject& object) const
 {
     for (auto& stop : m_stops) {
         if (!stop.isHint() && resolveStopColor(*stop.m_color, object).hasAlpha())
             return false;
     }
     return true;
 }
 
-void CSSGradientValue::getStopColors(HeapVector<Color>& stopColors, const LayoutObject& object) const
+void CSSGradientValue::getStopColors(Vector<Color>& stopColors, const LayoutObject& object) const
 {
     for (auto& stop : m_stops) {
         if (!stop.isHint())
             stopColors.append(resolveStopColor(*stop.m_color, object));
     }
 
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSGradientValue)
 {
@@ skipping 629 matching lines @@
     visitor->trace(m_firstRadius);
     visitor->trace(m_secondRadius);
     visitor->trace(m_shape);
     visitor->trace(m_sizingBehavior);
     visitor->trace(m_endHorizontalSize);
     visitor->trace(m_endVerticalSize);
     CSSGradientValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink