Privatize StrongBinding lifetime management

components/dom_distiller/content/renderer/distiller_js_render_frame_observer.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 "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
 #include "components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h"
 #include "content/public/renderer/render_frame.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/shell/public/cpp/interface_registry.h"
 #include "v8/include/v8.h"
 
 namespace dom_distiller {
 
 DistillerJsRenderFrameObserver::DistillerJsRenderFrameObserver(
     content::RenderFrame* render_frame,
     const int distiller_isolated_world_id)
     : RenderFrameObserver(render_frame),
       distiller_isolated_world_id_(distiller_isolated_world_id),
@@ skipping 29 matching lines @@
 }
 
 void DistillerJsRenderFrameObserver::RegisterMojoInterface() {
   render_frame()->GetInterfaceRegistry()->AddInterface(base::Bind(
       &DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService,
       weak_factory_.GetWeakPtr()));
 }
 
 void DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService(
     mojo::InterfaceRequest<mojom::DistillerPageNotifierService> request) {
-  // This is strongly bound to and owned by the pipe.
-  new DistillerPageNotifierServiceImpl(this, std::move(request));
+  mojo::MakeStrongBinding(
+      base::MakeUnique<DistillerPageNotifierServiceImpl>(this),
+      std::move(request));
 }
 
 void DistillerJsRenderFrameObserver::SetIsDistillerPage() {
   is_distiller_page_ = true;
 }
 
 void DistillerJsRenderFrameObserver::OnDestruct() {
   delete this;
 }
 
 }  // namespace dom_distiller