[Extensions] Remove 'use_movable_types' from code generation

tools/json_schema_compiler/h_generator.py

Index: tools/json_schema_compiler/h_generator.py
diff --git a/tools/json_schema_compiler/h_generator.py b/tools/json_schema_compiler/h_generator.py
index 5452885b324182bb51315fab2934d0808329ab1c..31a7ec2330e89cd423d63de5e679f750fec93e13 100644
--- a/tools/json_schema_compiler/h_generator.py
+++ b/tools/json_schema_compiler/h_generator.py
@@ -228,10 +228,9 @@ class _Generator(object):
           .Append('%(classname)s();')
           .Append('~%(classname)s();')
       )
-      if 'use_movable_types' in type_.namespace.compiler_options:
-        (c.Append('%(classname)s(%(classname)s&& rhs);')
-          .Append('%(classname)s& operator=(%(classname)s&& rhs);')
-        )
+      (c.Append('%(classname)s(%(classname)s&& rhs);')
+        .Append('%(classname)s& operator=(%(classname)s&& rhs);')
+      )
       if type_.origin.from_json:
         (c.Append()
           .Comment('Populates a %s object from a base::Value. Returns'