Refactor code generation to allow us to diff generic expressions and not just fields

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

Index: third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.cpp.tmpl
diff --git a/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.cpp.tmpl b/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.cpp.tmpl
index 3bcd4386a1e7e4efba2f01ea68daced067f4a953..4eec248aae63058ed443334e9eb3b297961d5e88 100644
--- a/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.cpp.tmpl
+++ b/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.cpp.tmpl
@@ -48,23 +48,12 @@ void ComputedStyleBase::PropagateIndependentInheritedProperties(
   {% endfor %}
 }
 
-bool ComputedStyleBase::ScrollAnchorDisablingPropertyChanged(
-    const ComputedStyleBase& other,
-    const StyleDifference& diff) const {
-  {{fieldwise_diff(computed_style, computed_style.all_fields
-      |selectattr("property_name", "in", ["margin-top", "margin-left", "margin-right", "margin-bottom", "left", "right", "top", "bottom", "padding-top", "padding-left", "padding-right", "padding-bottom"])
-      |list
-    )|indent(2)}}
-  return false;
-}
-
-bool ComputedStyleBase::DiffNeedsFullLayoutAndPaintInvalidation(
+{% for name, groups_to_diff in diff_functions_map.items() %}
+bool ComputedStyleBase::{{name}}(
     const ComputedStyleBase& other) const {
-  {{fieldwise_diff(computed_style, computed_style.all_fields
-      |selectattr("property_name", "in", ["padding-top", "padding-left", "padding-right", "padding-bottom"])
-      |list
-    )|indent(2)}}
+  {{fieldwise_diff(groups_to_diff)|indent(2)}}
   return false;
 }
+{% endfor %}
 
 } // namespace blink