Privatize StrongBinding lifetime management

components/web_restrictions/browser/web_restrictions_mojo_implementation.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 "components/web_restrictions/browser/web_restrictions_mojo_implementation.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "components/web_restrictions/browser/web_restrictions_client.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace web_restrictions {
 
 namespace {
 
 void ClientRequestPermissionCallback(
     const mojom::WebRestrictions::RequestPermissionCallback& callback,
     bool result) {
   callback.Run(result);
 }
 
 }  // namespace
 
+WebRestrictionsMojoImplementation::WebRestrictionsMojoImplementation(
+    WebRestrictionsClient* client)
+    : web_restrictions_client_(client) {}
+
+WebRestrictionsMojoImplementation::~WebRestrictionsMojoImplementation() {}
+
 void WebRestrictionsMojoImplementation::Create(
     WebRestrictionsClient* client,
     mojo::InterfaceRequest<mojom::WebRestrictions> request) {
-  new WebRestrictionsMojoImplementation(client, std::move(request));
+  mojo::MakeStrongBinding(
+      base::MakeUnique<WebRestrictionsMojoImplementation>(client),
+      std::move(request));
 }
 
-WebRestrictionsMojoImplementation::WebRestrictionsMojoImplementation(
-    WebRestrictionsClient* client,
-    mojo::InterfaceRequest<mojom::WebRestrictions> request)
-    : binding_(this, std::move(request)), web_restrictions_client_(client) {}
-
-WebRestrictionsMojoImplementation::~WebRestrictionsMojoImplementation() {}
-
 void WebRestrictionsMojoImplementation::GetResult(
     const std::string& url,
     const GetResultCallback& callback) {
   std::unique_ptr<const WebRestrictionsClientResult> web_restrictions_result(
       web_restrictions_client_->GetCachedWebRestrictionsResult(url));
   mojom::ClientResultPtr result = mojom::ClientResult::New();
   if (!web_restrictions_result) {
     callback.Run(std::move(result));
     return;
   }
@@ skipping 11 matching lines @@
 }
 
 void WebRestrictionsMojoImplementation::RequestPermission(
     const std::string& url,
     const mojom::WebRestrictions::RequestPermissionCallback& callback) {
   web_restrictions_client_->RequestPermission(
       url, base::Bind(&ClientRequestPermissionCallback, callback));
 }
 
 }  // namespace web_restrictions