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

components/gcm_driver/gcm_driver.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_H_
 #define COMPONENTS_GCM_DRIVER_GCM_DRIVER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 238 matching lines @@
 
   // Platform-specific implementation of UnregisterWithSenderId.
   virtual void UnregisterWithSenderIdImpl(const std::string& app_id,
                                           const std::string& sender_id);
 
   // Platform-specific implementation of Send.
   virtual void SendImpl(const std::string& app_id,
                         const std::string& receiver_id,
                         const OutgoingMessage& message) = 0;
 
+  // Platform-specific implementation of recording message decryption failures.
+  virtual void RecordDecryptionFailure(
+      const std::string& app_id,
+      GCMEncryptionProvider::DecryptionFailure reason) = 0;
+
   // Runs the Register callback.
   void RegisterFinished(const std::string& app_id,
                         const std::string& registration_id,
                         GCMClient::Result result);
 
   // Runs the Unregister callback.
   void UnregisterFinished(const std::string& app_id,
                           GCMClient::Result result);
 
   // Runs the Send callback.
@@ skipping 47 matching lines @@
   DefaultGCMAppHandler default_app_handler_;
 
   base::WeakPtrFactory<GCMDriver> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMDriver);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_DRIVER_H_