Platform-specific prune state storage.

chrome/browser/safe_browsing/incident_reporting/state_store.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 CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_STATE_STORE_H_
 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_STATE_STORE_H_
 
+#include <string>
+
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/scoped_user_pref_update.h"
 
 class Profile;
 
 namespace safe_browsing {
 
 enum class IncidentType : int32_t;
 
@@ skipping 14 matching lines @@
     ~Transaction();
 
     // Marks the described incident as having been reported.
     void MarkAsReported(IncidentType type,
                         const std::string& key,
                         IncidentDigest digest);
 
     // Clears all data associated with an incident type.
     void ClearForType(IncidentType type);
 
+    // Clears all data in the store.
+    void ClearAll();
+
    private:
+    friend class StateStore;
+
     // Returns a writable view on the incidents_sent preference. The act of
     // obtaining this view will cause a serialize-and-write operation to be
     // scheduled when the transaction terminates. Use the store's
     // |incidents_sent_| member directly to simply query the preference.
     base::DictionaryValue* GetPrefDict();
 
+    // Replaces the contents of the underlying dictionary value.
+    void ReplacePrefDict(scoped_ptr<base::DictionaryValue> pref_dict);
+
     // The store corresponding to this transaction.
     StateStore* store_;
 
     // A ScopedUserPrefUpdate through which changes to the incidents_sent
     // preference are made.
     scoped_ptr<DictionaryPrefUpdate> pref_update_;
 
     DISALLOW_COPY_AND_ASSIGN(Transaction);
   };
 
@@ skipping 19 matching lines @@
   // True when a Transaction instance is outstanding.
   bool has_transaction_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(StateStore);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_STATE_STORE_H_