[Extensions Bindings] Move custom handling to APIBindingHooksDelegate

extensions/renderer/api_binding_hooks_delegate.cc

Index: extensions/renderer/api_binding_hooks_delegate.cc
diff --git a/extensions/renderer/api_binding_hooks_delegate.cc b/extensions/renderer/api_binding_hooks_delegate.cc
index 6516785409b18c944cef472366d40d1ba83f079e..03b1413d2af884aa8cf86f1534915dd93c7c10ea 100644
--- a/extensions/renderer/api_binding_hooks_delegate.cc
+++ b/extensions/renderer/api_binding_hooks_delegate.cc
@@ -16,4 +16,14 @@ bool APIBindingHooksDelegate::CreateCustomEvent(
   return false;
 }
 
+APIBindingHooks::RequestResult APIBindingHooksDelegate::HandleRequest(
+    const std::string& method_name,
+    const APISignature* signature,
+    v8::Local<v8::Context> context,
+    std::vector<v8::Local<v8::Value>>* arguments,
+    const APITypeReferenceMap& refs) {
+  return APIBindingHooks::RequestResult(
+      APIBindingHooks::RequestResult::NOT_HANDLED);
+}
+
 }  // namespace extensions