Manage ServiceWorkerDispatcherHost in ServiceWorkerContextCore

content/common/service_worker/service_worker_provider_struct_traits.cc

+// Copyright 2017 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/common/service_worker/service_worker_provider_struct_traits.h"
+#include "content/common/service_worker/service_worker_types_struct_traits.h"
+
+namespace mojo {
+
+bool StructTraits<content::mojom::ServiceWorkerProviderHostInfoDataView,
+                  content::ServiceWorkerProviderHostInfo>::
+    Read(content::mojom::ServiceWorkerProviderHostInfoDataView in,
+         content::ServiceWorkerProviderHostInfo* out) {
+  content::ServiceWorkerProviderType type;
+  if (!in.ReadType(&type))
+    return false;
+  out->provider_id = in.provider_id();
+  out->route_id = in.route_id();
+  out->type = type;

[dcheng, 2017/02/14 08:47:46]

Nit: it'd be OK to just ReadType() directly into the data member, to avoid a
stack temporary.

[shimazu, 2017/02/15 02:24:19]

Done.

+  out->is_parent_frame_secure = in.is_parent_frame_secure();
+  return true;
+}
+
+}  // namespace mojo