List message decryption failures on chrome://gcm-internals

components/gcm_driver/fake_gcm_client.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 COMPONENTS_GCM_DRIVER_FAKE_GCM_CLIENT_H_
 #define COMPONENTS_GCM_DRIVER_FAKE_GCM_CLIENT_H_
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/gcm_driver/gcm_client.h"
+#include "components/gcm_driver/gcm_stats_recorder_impl.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace gcm {
 
 class FakeGCMClient : public GCMClient {
  public:
   // For testing purpose.
@@ skipping 26 matching lines @@
       scoped_ptr<Encryptor> encryptor,
       Delegate* delegate) override;
   void Start(StartMode start_mode) override;
   void Stop() override;
   void Register(const linked_ptr<RegistrationInfo>& registration_info) override;
   void Unregister(
       const linked_ptr<RegistrationInfo>& registration_info) override;
   void Send(const std::string& app_id,
             const std::string& receiver_id,
             const OutgoingMessage& message) override;
+  void RecordDecryptionFailure(const std::string& app_id,
+                               GCMEncryptionProvider::DecryptionFailure reason)
+      override;
   void SetRecording(bool recording) override;
   void ClearActivityLogs() override;
   GCMStatistics GetStatistics() const override;
   void SetAccountTokens(
       const std::vector<AccountTokenInfo>& account_tokens) override;
   void UpdateAccountMapping(const AccountMapping& account_mapping) override;
   void RemoveAccountMapping(const std::string& account_id) override;
   void SetLastTokenFetchTime(const base::Time& time) override;
   void UpdateHeartbeatTimer(scoped_ptr<base::Timer> timer) override;
   void AddInstanceIDData(const std::string& app_id,
@@ skipping 38 matching lines @@
   void SendAcknowledgement(const std::string& app_id,
                            const std::string& message_id);
 
   Delegate* delegate_;
   bool started_;
   StartMode start_mode_;
   StartModeOverridding start_mode_overridding_;
   scoped_refptr<base::SequencedTaskRunner> ui_thread_;
   scoped_refptr<base::SequencedTaskRunner> io_thread_;
   std::map<std::string, std::pair<std::string, std::string>> instance_id_data_;
+  GCMStatsRecorderImpl recorder_;
   base::WeakPtrFactory<FakeGCMClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeGCMClient);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_FAKE_GCM_CLIENT_H_