Migrate WTF::Vector::append() to ::push_back() [part 3 of N]

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 618 matching lines @@
     if (!stop.isHint() && resolveStopColor(*stop.m_color, object).hasAlpha())
       return false;
   }
   return true;
 }
 
 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));
+      stopColors.push_back(resolveStopColor(*stop.m_color, object));
   }
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSGradientValue) {
   visitor->trace(m_firstX);
   visitor->trace(m_firstY);
   visitor->trace(m_secondX);
   visitor->trace(m_secondY);
   visitor->trace(m_stops);
   CSSImageGeneratorValue::traceAfterDispatch(visitor);
@@ skipping 667 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