Notify GCMAppHandlers when the store is reset, so they clear cached IDs

chrome/browser/chromeos/policy/heartbeat_scheduler.h

 // Copyright (c) 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_CHROMEOS_POLICY_HEARTBEAT_SCHEDULER_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_HEARTBEAT_SCHEDULER_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 40 matching lines @@
       const scoped_refptr<base::SequencedTaskRunner>& task_runner);
 
   ~HeartbeatScheduler() override;
 
   // Returns the time of the last heartbeat, or Time(0) if no heartbeat
   // has ever happened.
   base::Time last_heartbeat() const { return last_heartbeat_; }
 
   // GCMAppHandler overrides.
   void ShutdownHandler() override;
+  void OnStoreReset() override;
   void OnMessage(const std::string& app_id,
                  const gcm::IncomingMessage& message) override;
   void OnMessagesDeleted(const std::string& app_id) override;
   void OnSendError(const std::string& app_id,
                    const gcm::GCMClient::SendErrorDetails& details) override;
   void OnSendAcknowledged(const std::string& app_id,
                           const std::string& message_id) override;
 
   // GCMConnectionObserver overrides.
   void OnConnected(const net::IPEndPoint&) override;
@@ skipping 83 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<HeartbeatScheduler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HeartbeatScheduler);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_HEARTBEAT_SCHEDULER_H_