Add prefetch support to AffiliationBackend.

components/password_manager/core/browser/affiliation_backend.h

 // Copyright 2015 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 COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_BACKEND_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_BACKEND_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 52 matching lines @@
   void GetAffiliations(
       const FacetURI& facet_uri,
       bool cached_only,
       const AffiliationService::ResultCallback& callback,
       const scoped_refptr<base::TaskRunner>& callback_task_runner);
   void Prefetch(const FacetURI& facet_uri, const base::Time& keep_fresh_until);
   void CancelPrefetch(const FacetURI& facet_uri,
                       const base::Time& keep_fresh_until);
   void TrimCache();
 
+  // Used only for testing.
+  size_t facet_manager_count() { return facet_managers_.size(); }
+
  private:
+  // Retrieves the FacetManager corresponding to |facet_uri|, creating it and
+  // storing it into |facet_managers_| if it did not exist.
+  FacetManager* GetOrCreateFacetManager(const FacetURI& facet_uri);
+
   // Collects facet URIs that require fetching and issues a network request
   // against the Affiliation API to fetch corresponding affiliation information.
   void SendNetworkRequest();
 
+  // Scheduled by RequestNotificationAtTime() to be called back at times when a
+  // FacetManager needs to be notified.
+  void OnSendNotification(const FacetURI& facet_uri);
+
   // FacetManagerHost:
-  base::Time GetCurrentTime() override;
-  base::Time ReadLastUpdateTimeFromDatabase(const FacetURI& facet_uri) override;
   bool ReadAffiliationsFromDatabase(
       const FacetURI& facet_uri,
       AffiliatedFacetsWithUpdateTime* affiliations) override;
   void SignalNeedNetworkRequest() override;
+  void RequestNotificationAtTime(const FacetURI& facet_uri,
+                                 base::Time time) override;
 
   // AffiliationFetcherDelegate:
   void OnFetchSucceeded(
       scoped_ptr<AffiliationFetcherDelegate::Result> result) override;
   void OnFetchFailed() override;
   void OnMalformedResponse() override;
 
   // Created in Initialize(), and ensures that all subsequent methods are called
   // on the same thread.
   scoped_ptr<base::ThreadChecker> thread_checker_;
@@ skipping 11 matching lines @@
   base::ScopedPtrHashMap<FacetURI, FacetManager> facet_managers_;
 
   base::WeakPtrFactory<AffiliationBackend> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AffiliationBackend);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_AFFILIATION_BACKEND_H_