[Extensions Bindings] Remove Isolate arg from APIBinding::CreateInstance

extensions/renderer/api_binding.h

Index: extensions/renderer/api_binding.h
diff --git a/extensions/renderer/api_binding.h b/extensions/renderer/api_binding.h
index 7728e3f5d87a2c23c8cacc943687d133a8bcf4d9..972df11c1d30e86d04a55b1e2d975acd42a2cded 100644
--- a/extensions/renderer/api_binding.h
+++ b/extensions/renderer/api_binding.h
@@ -72,7 +72,6 @@ class APIBinding {
   // Returns a new v8::Object for the API this APIBinding represents.
   v8::Local<v8::Object> CreateInstance(
       v8::Local<v8::Context> context,
-      v8::Isolate* isolate,
       const AvailabilityCallback& is_available);
 
   APIBindingHooks* hooks() { return binding_hooks_.get(); }