Implement the BackgroundFetch{Fail,ed} Service Worker events

content/common/background_fetch/background_fetch_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/background_fetch/background_fetch_struct_traits.h"
 
+#include "content/common/service_worker/service_worker_messages.h"
 #include "mojo/public/cpp/bindings/array_data_view.h"
 
 namespace mojo {
 
 // static
 bool StructTraits<blink::mojom::BackgroundFetchOptionsDataView,
                   content::BackgroundFetchOptions>::
     Read(blink::mojom::BackgroundFetchOptionsDataView data,
          content::BackgroundFetchOptions* options) {
   if (!data.ReadIcons(&options->icons) || !data.ReadTitle(&options->title))
@@ skipping 12 matching lines @@
       !data.ReadIcons(&registration->icons) ||
       !data.ReadTitle(&registration->title)) {
     return false;
   }
 
   registration->total_download_size = data.total_download_size();
   return true;
 }
 
 // static
+bool StructTraits<content::mojom::BackgroundFetchSettledFetchDataView,
+                  content::BackgroundFetchSettledFetch>::
+    Read(content::mojom::BackgroundFetchSettledFetchDataView data,
+         content::BackgroundFetchSettledFetch* fetch) {
+  return data.ReadRequest(&fetch->request) &&
+         data.ReadResponse(&fetch->response);
+}
+
+// static
 bool StructTraits<
     blink::mojom::IconDefinitionDataView,
     content::IconDefinition>::Read(blink::mojom::IconDefinitionDataView data,
                                    content::IconDefinition* definition) {
   return data.ReadSrc(&definition->src) && data.ReadSizes(&definition->sizes) &&
          data.ReadType(&definition->type);
 }
 
 }  // namespace mojo