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

components/gcm_driver/gcm_stats_recorder_android.cc

 // Copyright 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.
 
 #include <stddef.h>
 
 #include "components/gcm_driver/gcm_stats_recorder_android.h"
 
 namespace gcm {
 
 namespace {
 
 const size_t MAX_LOGGED_ACTIVITY_COUNT = 100;
 
 const char kSuccess[] = "SUCCESS";
 const char kUnknownError[] = "UNKNOWN_ERROR";
 
 }  // namespace
 
 GCMStatsRecorderAndroid::GCMStatsRecorderAndroid(Delegate* delegate)
     : delegate_(delegate) {}
 
 GCMStatsRecorderAndroid::~GCMStatsRecorderAndroid() {}
 
 void GCMStatsRecorderAndroid::Clear() {
   registration_activities_.clear();
   receiving_activities_.clear();
+  decryption_failure_activities_.clear();
 }
 
 void GCMStatsRecorderAndroid::CollectActivities(
     RecordedActivities* recorded_activities) const {
   DCHECK(recorded_activities);
 
   recorded_activities->registration_activities.insert(
       recorded_activities->registration_activities.begin(),
       registration_activities_.begin(),
       registration_activities_.end());
   recorded_activities->receiving_activities.insert(
       recorded_activities->receiving_activities.begin(),
       receiving_activities_.begin(),
       receiving_activities_.end());
+  recorded_activities->decryption_failure_activities.insert(
+      recorded_activities->decryption_failure_activities.begin(),
+      decryption_failure_activities_.begin(),
+      decryption_failure_activities_.end());
 }
 
 void GCMStatsRecorderAndroid::RecordRegistrationSent(
     const std::string& app_id) {
   if (!is_recording_)
     return;
 
   RecordRegistration(app_id, "Registration request sent", "" /* details */);
 }
 
@@ skipping 57 matching lines @@
   activity.event = "Data msg received";
 
   receiving_activities_.push_front(activity);
   if (receiving_activities_.size() > MAX_LOGGED_ACTIVITY_COUNT)
     receiving_activities_.pop_back();
 
   if (delegate_)
     delegate_->OnActivityRecorded();
 }
 
+void GCMStatsRecorderAndroid::RecordDecryptionFailure(
+    const std::string& app_id,
+    GCMEncryptionProvider::DecryptionFailure reason) {
+  if (!is_recording_)
+    return;
+
+  DecryptionFailureActivity activity;
+  activity.app_id = app_id;
+  activity.details =
+      GCMEncryptionProvider::ToDecryptionFailureDetailsString(reason);
+
+  decryption_failure_activities_.push_front(activity);
+  if (decryption_failure_activities_.size() > MAX_LOGGED_ACTIVITY_COUNT)
+    decryption_failure_activities_.pop_back();
+
+  if (delegate_)
+    delegate_->OnActivityRecorded();
+}
+
 }  // namespace gcm