Implement the BackgroundFetch{Fail,ed} Service Worker events

content/common/background_fetch/background_fetch_struct_traits.h

 // 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.
 
 #ifndef CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_STRUCT_TRAITS_H_
 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_STRUCT_TRAITS_H_
 
 #include <string>
 #include <vector>
 
 #include "content/common/background_fetch/background_fetch_types.h"
 #include "content/common/content_export.h"
 #include "mojo/public/cpp/bindings/struct_traits.h"
 #include "third_party/WebKit/public/platform/modules/background_fetch/background_fetch.mojom.h"
 
+namespace content {
+namespace mojom {
+class BackgroundFetchSettledFetchDataView;
+}
+}
+
 namespace mojo {
 
 template <>
 struct CONTENT_EXPORT StructTraits<blink::mojom::BackgroundFetchOptionsDataView,
                                    content::BackgroundFetchOptions> {
   static const std::vector<content::IconDefinition>& icons(
       const content::BackgroundFetchOptions& options) {
     return options.icons;
   }
   static const std::string& title(
@@ skipping 28 matching lines @@
   static int64_t total_download_size(
       const content::BackgroundFetchRegistration& registration) {
     return registration.total_download_size;
   }
 
   static bool Read(blink::mojom::BackgroundFetchRegistrationDataView data,
                    content::BackgroundFetchRegistration* registration);
 };
 
 template <>
+struct CONTENT_EXPORT
+    StructTraits<content::mojom::BackgroundFetchSettledFetchDataView,
+                 content::BackgroundFetchSettledFetch> {
+  static const content::ServiceWorkerFetchRequest& request(
+      const content::BackgroundFetchSettledFetch& fetch) {
+    return fetch.request;
+  }
+  static const content::ServiceWorkerResponse& response(
+      const content::BackgroundFetchSettledFetch& fetch) {
+    return fetch.response;
+  }
+
+  static bool Read(content::mojom::BackgroundFetchSettledFetchDataView data,
+                   content::BackgroundFetchSettledFetch* definition);
+};
+
+template <>
 struct CONTENT_EXPORT StructTraits<blink::mojom::IconDefinitionDataView,
                                    content::IconDefinition> {
   static const std::string& src(const content::IconDefinition& definition) {
     return definition.src;
   }
   static const std::string& sizes(const content::IconDefinition& definition) {
     return definition.sizes;
   }
   static const std::string& type(const content::IconDefinition& definition) {
     return definition.type;
   }
 
   static bool Read(blink::mojom::IconDefinitionDataView data,
                    content::IconDefinition* definition);
 };
 
 }  // namespace mojo
 
 #endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_STRUCT_TRAITS_H_