Remove the concept of 'nonproperties' from ComputedStyle generator.

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

Index: third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl
diff --git a/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl b/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl
index 65ce7ae7e42c2fb7729dd2a6aee47f4242219e79..4d6e668571d57527382a82b3ec31ddd109fef4bb 100644
--- a/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl
+++ b/third_party/WebKit/Source/build/scripts/templates/ComputedStyleBase.h.tmpl
@@ -39,6 +39,7 @@ class CORE_EXPORT ComputedStyleBase {
   inline bool IndependentInheritedEqual(const ComputedStyleBase& o) const {
     return (
         {{fieldwise_compare(computed_style, computed_style.all_fields
+            |selectattr("is_property")
             |selectattr("is_inherited")
             |selectattr("is_independent")
             |list
@@ -50,6 +51,7 @@ class CORE_EXPORT ComputedStyleBase {
   inline bool NonIndependentInheritedEqual(const ComputedStyleBase& o) const {
     return (
         {{fieldwise_compare(computed_style, computed_style.all_fields
+            |selectattr("is_property")
             |selectattr("is_inherited")
             |rejectattr("is_independent")
             |list
@@ -66,6 +68,7 @@ class CORE_EXPORT ComputedStyleBase {
     return (
         {{fieldwise_compare(computed_style, computed_style.all_fields
             |selectattr("is_property")
+            |rejectattr("has_custom_compare_and_copy")
             |rejectattr("is_inherited")
             |list
           )|indent(8)}}