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

components/gcm_driver/gcm_driver.cc

 // 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.
 
 #include "components/gcm_driver/gcm_driver.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "components/gcm_driver/gcm_app_handler.h"
 
 namespace gcm {
 
 namespace {
 
 const size_t kMaxSenders = 100;
 
-// TODO(peter): Implement an event for GCMAppHandlers that should be called
-// when decryption of an incoming message has failed.
-void DecryptionFailedCallback(
-    GCMEncryptionProvider::DecryptionFailure reason) {}
-
 }  // namespace
 
 InstanceIDHandler::InstanceIDHandler() {
 }
 
 InstanceIDHandler::~InstanceIDHandler() {
 }
 
 void InstanceIDHandler::DeleteAllTokensForApp(
     const std::string& app_id, const DeleteTokenCallback& callback) {
@@ skipping 236 matching lines @@
                                 const IncomingMessage& message) {
   if (!encryption_provider_.IsEncryptedMessage(message)) {
     GetAppHandler(app_id)->OnMessage(app_id, message);
     return;
   }
 
   encryption_provider_.DecryptMessage(
       app_id, message,
       base::Bind(&GCMDriver::DispatchMessage,
                  weak_ptr_factory_.GetWeakPtr(), app_id),
-      base::Bind(&DecryptionFailedCallback));
+      base::Bind(&GCMDriver::RecordDecryptionFailure,
+                 weak_ptr_factory_.GetWeakPtr(), app_id));
 }
 
 void GCMDriver::RegisterAfterUnregister(
     const std::string& app_id,
     const std::vector<std::string>& normalized_sender_ids,
     const UnregisterCallback& unregister_callback,
     GCMClient::Result result) {
   // Invoke the original unregister callback.
   unregister_callback.Run(result);
 
   // Trigger the pending registration.
   DCHECK(register_callbacks_.find(app_id) != register_callbacks_.end());
   RegisterImpl(app_id, normalized_sender_ids);
 }
 
 }  // namespace gcm