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

content/common/service_worker/service_worker_types.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_COMMON_SERVICE_WORKER_SERVICE_WORKER_TYPES_H_
 #define CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_TYPES_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 201 matching lines @@
   // Returns whether the instance is valid. A valid instance has valid
   // |handle_id| and |version_id|.
   bool IsValid() const;
 
   int handle_id;
   GURL url;
   blink::WebServiceWorkerState state;
   int64_t version_id;
 };
 
+struct CONTENT_EXPORT ServiceWorkerRegistrationOptions {
+  enum class UseCache { DontUse, Use, Last = Use };
+
+  ServiceWorkerRegistrationOptions();
+  // Initialize |scope| with the specified value and the rest with defaults
+  explicit ServiceWorkerRegistrationOptions(const GURL& scope);
+  ServiceWorkerRegistrationOptions(const GURL& scope, UseCache use_cache);
+  GURL scope;
+  UseCache use_cache;
+};
+
 struct CONTENT_EXPORT ServiceWorkerRegistrationObjectInfo {
   ServiceWorkerRegistrationObjectInfo();
   int handle_id;
-  GURL scope;
+  ServiceWorkerRegistrationOptions options;
   int64_t registration_id;
 };
 
 struct ServiceWorkerVersionAttributes {
   ServiceWorkerObjectInfo installing;
   ServiceWorkerObjectInfo waiting;
   ServiceWorkerObjectInfo active;
 };
 
 class ChangedVersionAttributesMask {
@@ skipping 42 matching lines @@
   NavigationPreloadState();
   NavigationPreloadState(bool enabled, std::string header);
   NavigationPreloadState(const NavigationPreloadState& other);
   bool enabled;
   std::string header;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_TYPES_H_