Privatize StrongBinding lifetime management

components/dom_distiller/content/browser/distiller_javascript_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 "components/dom_distiller/content/browser/distiller_javascript_service_impl.h"
 
 #include <utility>
 
 #include "components/dom_distiller/content/browser/distiller_ui_handle.h"
 #include "components/dom_distiller/core/feedback_reporter.h"
 #include "content/public/browser/user_metrics.h"
 #include "mojo/public/cpp/bindings/string.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace dom_distiller {
 
 DistillerJavaScriptServiceImpl::DistillerJavaScriptServiceImpl(
     content::RenderFrameHost* render_frame_host,
-    DistillerUIHandle* distiller_ui_handle,
-    mojo::InterfaceRequest<mojom::DistillerJavaScriptService> request)
-    : binding_(this, std::move(request)),
-      render_frame_host_(render_frame_host),
+    DistillerUIHandle* distiller_ui_handle)
+    : render_frame_host_(render_frame_host),
       distiller_ui_handle_(distiller_ui_handle) {}
 
 DistillerJavaScriptServiceImpl::~DistillerJavaScriptServiceImpl() {}
 
 void DistillerJavaScriptServiceImpl::HandleDistillerEchoCall(
     const mojo::String& message) {}
 
 void DistillerJavaScriptServiceImpl::HandleDistillerFeedbackCall(
     bool good) {
   FeedbackReporter::ReportQuality(good);
@@ skipping 27 matching lines @@
   }
   content::WebContents* contents =
       content::WebContents::FromRenderFrameHost(render_frame_host_);
   distiller_ui_handle_->OpenSettings(contents);
 }
 
 void CreateDistillerJavaScriptService(
     content::RenderFrameHost* render_frame_host,
     DistillerUIHandle* distiller_ui_handle,
     mojo::InterfaceRequest<mojom::DistillerJavaScriptService> request) {
-  // This is strongly bound and owned by the pipe.
-  new DistillerJavaScriptServiceImpl(render_frame_host, distiller_ui_handle,
-                                     std::move(request));
+  mojo::MakeStrongBinding(base::MakeUnique<DistillerJavaScriptServiceImpl>(
+                              render_frame_host, distiller_ui_handle),
+                          std::move(request));
 }
 
 }  // namespace dom_distiller