CSSMediaRule and CSSSupportsRule inherit from CSSConditionRule

third_party/WebKit/Source/core/css/CSSSupportsRule.idl

Index: third_party/WebKit/Source/core/css/CSSSupportsRule.idl
diff --git a/third_party/WebKit/Source/core/css/CSSSupportsRule.idl b/third_party/WebKit/Source/core/css/CSSSupportsRule.idl
index ce57469bb99dcbc7c0d1bc9237686bb0b5c10371..47b7f096d30ca56ed46d387c9b0fd4d1c298ff2e 100644
--- a/third_party/WebKit/Source/core/css/CSSSupportsRule.idl
+++ b/third_party/WebKit/Source/core/css/CSSSupportsRule.idl
@@ -28,11 +28,7 @@
 
 // http://dev.w3.org/csswg/css-conditional/#the-csssupportsrule-interface
 
-// TODO(foolip): CSSSupportsRule should inherit from CSSConditionRule and
-// inherit all members.
-interface CSSSupportsRule : CSSRule {
-    // http://dev.w3.org/csswg/css-conditional/#the-cssconditionrule-interface
-    readonly attribute DOMString conditionText;
+interface CSSSupportsRule : CSSConditionRule {
     // http://dev.w3.org/csswg/cssom/#the-cssgroupingrule-interface

[foolip, 2016/10/15 21:02:19]

These are now inherited from CSSGroupingRule and should also be removed. (So
says the removed TODO, checked that it's still true.)

     [SameObject] readonly attribute CSSRuleList cssRules;
     [RaisesException] unsigned long insertRule(DOMString rule, unsigned long index);