Bug 1697946 - Clean up IDL*Type's type check method; r=peterv

We could remove the methods that are actually doing the same thing as its base class.

Differential Revision: https://phabricator.services.mozilla.com/D103631

dom/bindings/parser/WebIDL.py

@@ -2450,12 +2450,6 @@ class IDLType(IDLObject):
         type that is implemented in SpiderMonkey."""
         return self.isInterface() and (self.isBufferSource() or self.isReadableStream())
 
-    def isDictionary(self):
-        return False
-
-    def isInterface(self):
-        return False
-
     def isAny(self):
         return self.tag() == IDLType.Tags.any
 
@@ -2791,45 +2785,12 @@ class IDLSequenceType(IDLParametrizedType):
     def prettyName(self):
         return "sequence<%s>" % self.inner.prettyName()
 
-    def nullable(self):
-        return False
-
-    def isPrimitive(self):
-        return False
-
-    def isString(self):
-        return False
-
-    def isByteString(self):
-        return False
-
-    def isDOMString(self):
-        return False
-
-    def isUSVString(self):
-        return False
-
-    def isUTF8String(self):
-        return False
-
-    def isJSString(self):
-        return False
-
     def isVoid(self):
         return False
 
     def isSequence(self):
         return True
 
-    def isDictionary(self):
-        return False
-
-    def isInterface(self):
-        return False
-
-    def isEnum(self):
-        return False
-
     def isJSONType(self):
         return self.inner.isJSONType()
 
@@ -3228,36 +3189,9 @@ class IDLWrapperType(IDLType):
     def __str__(self):
         return str(self.name) + " (Wrapper)"
 
-    def nullable(self):
-        return False
-
-    def isPrimitive(self):
-        return False
-
-    def isString(self):
-        return False
-
-    def isByteString(self):
-        return False
-
-    def isDOMString(self):
-        return False
-
-    def isUSVString(self):
-        return False
-
-    def isUTF8String(self):
-        return False
-
-    def isJSString(self):
-        return False
-
     def isVoid(self):
         return False
 
-    def isSequence(self):
-        return False
-
     def isDictionary(self):
         return isinstance(self.inner, IDLDictionary)