Privatize StrongBinding lifetime management

content/browser/wake_lock/wake_lock_service_impl.cc

 // Copyright 2015 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/browser/wake_lock/wake_lock_service_impl.h"
 
 #include <utility>
 
 #include "content/browser/wake_lock/wake_lock_service_context.h"
 
 namespace content {
 
 WakeLockServiceImpl::WakeLockServiceImpl(
     base::WeakPtr<WakeLockServiceContext> context,
     int render_process_id,
-    int render_frame_id,
-    mojo::InterfaceRequest<blink::mojom::WakeLockService> request)
+    int render_frame_id)
     : context_(context),
       render_process_id_(render_process_id),
-      render_frame_id_(render_frame_id),
-      binding_(this, std::move(request)) {}
+      render_frame_id_(render_frame_id) {}
 
 WakeLockServiceImpl::~WakeLockServiceImpl() {}
 
 void WakeLockServiceImpl::RequestWakeLock() {
   if (context_)
     context_->RequestWakeLock(render_process_id_, render_frame_id_);
 }
 
 void WakeLockServiceImpl::CancelWakeLock() {
   if (context_)
     context_->CancelWakeLock(render_process_id_, render_frame_id_);
 }
 
 }  // namespace content