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

components/gcm_driver/gcm_internals_helper.cc

Index: components/gcm_driver/gcm_internals_helper.cc
diff --git a/components/gcm_driver/gcm_internals_helper.cc b/components/gcm_driver/gcm_internals_helper.cc
index a3417e74467cacc124299124a3249ca1f80215e5..c66d3d7e7d7c6d83b35ed3e6aaedac73570fbe3c 100644
--- a/components/gcm_driver/gcm_internals_helper.cc
+++ b/components/gcm_driver/gcm_internals_helper.cc
@@ -86,19 +86,6 @@
   }
 }
 
-void SetDecryptionFailureInfo(
-    const std::vector<gcm::DecryptionFailureActivity>& failures,
-    base::ListValue* failure_info) {
-  for (const gcm::DecryptionFailureActivity& failure : failures) {
-    base::ListValue* row = new base::ListValue();
-    failure_info->Append(row);
-
-    row->AppendDouble(failure.time.ToJsTime());
-    row->AppendString(failure.app_id);
-    row->AppendString(failure.details);
-  }
-}
-
 }  // namespace
 
 void SetGCMInternalsInfo(const gcm::GCMClient::GCMStatistics* stats,
@@ -157,14 +144,6 @@
       results->Set(kSendInfo, send_info);
       SetSendingInfo(stats->recorded_activities.sending_activities, send_info);
     }
-
-    if (stats->recorded_activities.decryption_failure_activities.size() > 0) {
-      base::ListValue* failure_info = new base::ListValue();
-      results->Set(kDecryptionFailureInfo, failure_info);
-      SetDecryptionFailureInfo(
-          stats->recorded_activities.decryption_failure_activities,
-          failure_info);
-    }
   }
 }