PermissionServiceContext using mojo::StrongBindingSet.

content/browser/permissions/permission_service_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/browser/permissions/permission_service_context.h"
 
 #include "content/browser/permissions/permission_service_impl.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 13 matching lines @@
     : WebContentsObserver(nullptr),
       render_frame_host_(nullptr),
       render_process_host_(render_process_host) {
 }
 
 PermissionServiceContext::~PermissionServiceContext() {
 }
 
 void PermissionServiceContext::CreateService(
     mojo::InterfaceRequest<PermissionService> request) {
-  services_.push_back(new PermissionServiceImpl(this, request.Pass()));
-}
-
-void PermissionServiceContext::ServiceHadConnectionError(
-    PermissionServiceImpl* service) {
-  auto it = std::find(services_.begin(), services_.end(), service);
-  DCHECK(it != services_.end());
-  services_.erase(it);
+  services_.EmplaceService(std::move(request), this);
 }
 
 void PermissionServiceContext::RenderFrameHostChanged(
     RenderFrameHost* old_host,
     RenderFrameHost* new_host) {
   CancelPendingOperations(old_host);
 }
 
 void PermissionServiceContext::FrameDeleted(
     RenderFrameHost* render_frame_host) {
@@ skipping 31 matching lines @@
 GURL PermissionServiceContext::GetEmbeddingOrigin() const {
   return web_contents() ? web_contents()->GetLastCommittedURL().GetOrigin()
                         : GURL();
 }
 
 RenderFrameHost* PermissionServiceContext::render_frame_host() const {
   return render_frame_host_;
 }
 
 } // namespace content