Implement updateViaCache flag and no-cache by default for main service worker scripts

content/browser/service_worker/service_worker_database.h

 // Copyright 2014 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_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 17 matching lines @@
 
 namespace tracked_objects {
 class Location;
 }
 
 namespace leveldb {
 class DB;
 class Env;
 class Status;
 class WriteBatch;
-}
+}  // namespace leveldb
 
 namespace content {
 
 // Class to persist serviceworker registration data in a database.
 // Should NOT be used on the IO thread since this does blocking
 // file io. The ServiceWorkerStorage class owns this class and
 // is responsible for only calling it serially on background
 // non-IO threads (ala SequencedWorkerPool).
 class CONTENT_EXPORT ServiceWorkerDatabase {
  public:
@@ skipping 10 matching lines @@
     STATUS_ERROR_FAILED,
     STATUS_ERROR_NOT_SUPPORTED,
     STATUS_ERROR_MAX,
   };
   static const char* StatusToString(Status status);
 
   struct CONTENT_EXPORT RegistrationData {
     // These values are immutable for the life of a registration.
     int64_t registration_id;
     GURL scope;
+    blink::WebServiceWorkerUpdateViaCache update_via_cache;
 
     // Versions are first stored once they successfully install and become
     // the waiting version. Then transition to the active version. The stored
     // version may be in the ACTIVATED state or in the INSTALLED state.
     GURL script;
     int64_t version_id;
     bool is_active;
     bool has_fetch_handler;
     base::Time last_update_check;
     std::vector<GURL> foreign_fetch_scopes;
@@ skipping 335 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDatabaseTest,
                            UserData_UninitializedDatabase);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDatabaseTest, DestroyDatabase);
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_