WIP Add memory optimisation option to ConsumeCommaSeparatedList

third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl

 {% from 'macros.tmpl' import license %}
 {#
     This file is for property handlers which use the templating engine to
     reduce (handwritten) code duplication.
 
     The `properties' dict can be used to access a property's parameters in
     jinja2 templates (i.e. setter, getter, initial, type_name)
 #}
 #include "StyleBuilderFunctions.h"
 
@@ skipping 96 matching lines @@
   const CSS{{animation}}Data* parentData = state.ParentStyle()->{{animation}}s();
   if (!parentData)
     applyInitial{{property_id}}(state);
   else
     state.Style()->Access{{animation}}s().{{vector}} = parentData->{{vector}};
 }
 
 {{declare_value_function(property_id)}} {
   CSS{{animation}}Data& data = state.Style()->Access{{animation}}s();
   data.{{vector}}.clear();
+  DCHECK(value.IsBaseValueList());
   for (auto& listValue : ToCSSValueList(value))
     data.{{vector}}.push_back(CSSToStyleMap::MapAnimation{{attribute}}(*listValue));
 }
 {% endmacro %}
 {{apply_animation('CSSPropertyAnimationDelay', 'Delay', 'Animation')}}
 {{apply_animation('CSSPropertyAnimationDirection', 'Direction', 'Animation')}}
 {{apply_animation('CSSPropertyAnimationDuration', 'Duration', 'Animation')}}
 {{apply_animation('CSSPropertyAnimationFillMode', 'FillMode', 'Animation')}}
 {{apply_animation('CSSPropertyAnimationIterationCount', 'IterationCount', 'Animation')}}
 {{apply_animation('CSSPropertyAnimationName', 'Name', 'Animation')}}
@@ skipping 433 matching lines @@
                               : SVG_PAINTTYPE_URI_RGBCOLOR;
   }
   {{set_value(property)}}(paintType, color, url,
       state.ApplyPropertyToRegularStyle(),
       state.ApplyPropertyToVisitedLinkStyle());
 }
 {% endmacro %}
 {{apply_svg_paint('CSSPropertyFill', 'FillPaint')}}
 {{apply_svg_paint('CSSPropertyStroke', 'StrokePaint')}}
 } // namespace blink