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

components/gcm_driver/gcm_driver_android.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_GCM_DRIVER_ANDROID_H
 #define COMPONENTS_GCM_DRIVER_GCM_DRIVER_ANDROID_H
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 74 matching lines @@
   // GCMDriver implementation:
   GCMClient::Result EnsureStarted(GCMClient::StartMode start_mode) override;
   void RegisterImpl(const std::string& app_id,
                     const std::vector<std::string>& sender_ids) override;
   void UnregisterImpl(const std::string& app_id) override;
   void UnregisterWithSenderIdImpl(const std::string& app_id,
                                   const std::string& sender_id) override;
   void SendImpl(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;
 
  private:
   base::android::ScopedJavaGlobalRef<jobject> java_ref_;
 
   // Callback for GetGCMStatistics.
   GetGCMStatisticsCallback get_gcm_statistics_callback_;
 
   // Recorder that logs GCM activities.
   GCMStatsRecorderAndroid recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMDriverAndroid);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_DRIVER_ANDROID_H