[Extenisons Bindings] Support `unmanaged` property for events

extensions/renderer/api_binding_js_util.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/renderer/api_binding_js_util.h"
 
 #include "base/values.h"
 #include "extensions/renderer/api_event_handler.h"
 #include "extensions/renderer/api_request_handler.h"
 #include "extensions/renderer/api_signature.h"
@@ skipping 110 matching lines @@
     event_name = gin::V8ToString(v8_event_name);
   }
 
   DCHECK(!supports_filters || !event_name.empty())
       << "Events that support filters cannot be anonymous.";
 
   v8::Local<v8::Value> event;
   if (event_name.empty()) {
     event = event_handler_->CreateAnonymousEventInstance(context);
   } else {
-    event = event_handler_->CreateEventInstance(
-        event_name, supports_filters, binding::kNoListenerMax, context);
+    bool notify_on_change = true;
+    event = event_handler_->CreateEventInstance(event_name, supports_filters,
+                                                binding::kNoListenerMax,
+                                                notify_on_change, context);
   }
 
   arguments->Return(event);
 }
 
 void APIBindingJSUtil::InvalidateEvent(gin::Arguments* arguments,
                                        v8::Local<v8::Object> event) {
   v8::Isolate* isolate = arguments->isolate();
   v8::HandleScope handle_scope(isolate);
   event_handler_->InvalidateCustomEvent(arguments->GetHolderCreationContext(),
@@ skipping 34 matching lines @@
   v8::Local<v8::Context> context = arguments->GetHolderCreationContext();
 
   request_handler_->last_error()->SetError(context, error);
   run_js_.Run(callback, context, 0, nullptr);
 
   bool report_if_unchecked = true;
   request_handler_->last_error()->ClearError(context, report_if_unchecked);
 }
 
 }  // namespace extensions