Introduce the Blink NotificationService, move permission checks there

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index b7dd841e708e1ef9f64039dbfc5cef054c08e0f9..9bf40176ca253f87982b77f33f292c3db4358278 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -89,6 +89,7 @@
 #include "content/browser/mojo/mojo_application_host.h"
 #include "content/browser/mojo/mojo_child_connection.h"
 #include "content/browser/notifications/notification_message_filter.h"
+#include "content/browser/notifications/platform_notification_context_impl.h"
 #include "content/browser/permissions/permission_service_context.h"
 #include "content/browser/permissions/permission_service_impl.h"
 #include "content/browser/profiler_message_filter.h"
@@ -1041,6 +1042,11 @@ void RenderProcessHostImpl::RegisterMojoServices() {
       &BackgroundSyncContextImpl::CreateService,
       base::Unretained(storage_partition_impl_->GetBackgroundSyncContext())));
 
+  mojo_application_host_->service_registry()->AddService(base::Bind(
+      &PlatformNotificationContextImpl::CreateService,
+      base::Unretained(
+          storage_partition_impl_->GetPlatformNotificationContext()), GetID()));
+
   mojo_application_host_->service_registry()->AddService(
       base::Bind(&RenderProcessHostImpl::CreateStoragePartitionService,
                  base::Unretained(this)));