PlzNavigate: Make ServiceWorker work with PlzNavigate.

content/common/service_worker/service_worker_utils.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_UTILS_H_
 #define CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_
 
 #include "base/macros.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
+#include "content/common/service_worker/service_worker_types.h"
 #include "content/public/common/resource_type.h"
 #include "url/gurl.h"
 
 namespace content {
 
 class ServiceWorkerUtils {
  public:
   static bool IsMainResourceType(ResourceType type) {
     return IsResourceTypeFrame(type) || type == RESOURCE_TYPE_SHARED_WORKER;
   }
@@ skipping 10 matching lines @@
   // Service-Worker-Allowed header value.
   CONTENT_EXPORT static bool IsPathRestrictionSatisfied(
       const GURL& scope,
       const GURL& script_url,
       const std::string* service_worker_allowed_header_value,
       std::string* error_message);
 
   static bool ContainsDisallowedCharacter(const GURL& scope,
                                           const GURL& script_url,
                                           std::string* error_message);
+
+  // PlzNavigate
+  // Returns true of the _provider_id_ was assigned by the browser process.

[nasko, 2015/08/31 23:58:17]

nit: |provider_id|

[Fabrice (no longer in Chrome), 2015/09/07 12:09:48]

Done.
Fixed the typo too (s/of/if/)

+  static bool IsBrowserAssignedProviderId(int provider_id) {
+    return provider_id < kInvalidServiceWorkerProviderId;
+  }
 };
 
 class CONTENT_EXPORT LongestScopeMatcher {
  public:
   explicit LongestScopeMatcher(const GURL& url) : url_(url) {}
   virtual ~LongestScopeMatcher() {}
 
   // Returns true if |scope| matches |url_| longer than |match_|.
   bool MatchLongest(const GURL& scope);
 
  private:
   const GURL url_;
   GURL match_;
 
   DISALLOW_COPY_AND_ASSIGN(LongestScopeMatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_SERVICE_WORKER_SERVICE_WORKER_UTILS_H_