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 191eb9adf22bac54003096297857f0532fbfa203..d04e1ba849fc1b34f62dac49ee11c2e4dd7f12c4 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -87,6 +87,7 @@
 #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"
@@ -1076,6 +1077,11 @@ void RenderProcessHostImpl::RegisterMojoServices() {
       &BackgroundSyncContext::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)));