ServiceWorkerVersion: remove unused parameter in DispatchInstallEvent

content/renderer/service_worker/service_worker_script_context.cc

 // Copyright 2014 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 "content/renderer/service_worker/service_worker_script_context.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/trace_event/trace_event.h"
 #include "content/child/notifications/notification_data_conversions.h"
@@ skipping 296 matching lines @@
   return embedded_context_->embedded_worker_id();
 }
 
 void ServiceWorkerScriptContext::OnActivateEvent(int request_id) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerScriptContext::OnActivateEvent");
   activate_start_timings_[request_id] = base::TimeTicks::Now();
   proxy_->dispatchActivateEvent(request_id);
 }
 
-void ServiceWorkerScriptContext::OnInstallEvent(int request_id,
-                                                int active_version_id) {
+void ServiceWorkerScriptContext::OnInstallEvent(int request_id) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerScriptContext::OnInstallEvent");
   install_start_timings_[request_id] = base::TimeTicks::Now();
   proxy_->dispatchInstallEvent(request_id);
 }
 
 void ServiceWorkerScriptContext::OnFetchEvent(
     int request_id,
     const ServiceWorkerFetchRequest& request) {
   blink::WebServiceWorkerRequest webRequest;
@@ skipping 244 matching lines @@
       new blink::WebServiceWorkerError(error_type, message));
   callbacks->onError(error.release());
   pending_claim_clients_callbacks_.Remove(request_id);
 }
 
 void ServiceWorkerScriptContext::OnPing() {
   Send(new ServiceWorkerHostMsg_Pong(GetRoutingID()));
 }
 
 }  // namespace content