Drop [RuntimeEnabled] for all IDL dictionaries

third_party/WebKit/Source/bindings/scripts/v8_dictionary.py

Index: third_party/WebKit/Source/bindings/scripts/v8_dictionary.py
diff --git a/third_party/WebKit/Source/bindings/scripts/v8_dictionary.py b/third_party/WebKit/Source/bindings/scripts/v8_dictionary.py
index e2ff61bccbfaabdd148855e804d071fc6dd3a75b..4bdb8fd2a51f1bf1f0c95617fa749c0b59bcb804 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_dictionary.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_dictionary.py
@@ -54,6 +54,10 @@ def dictionary_context(dictionary, interfaces_info):
     includes.clear()
     includes.update(DICTIONARY_CPP_INCLUDES)
 
+    if 'RuntimeEnabled' in dictionary.extended_attributes:
+        raise Exception(
+            'Dictionary cannot be RuntimeEnabled: %s' % dictionary.name)
+
     members = [member_context(dictionary, member)
                for member in sorted(dictionary.members,
                                     key=operator.attrgetter('name'))]