Collect UMA data for Origin Trials

content/common/origin_trials/trial_token_status.h

+// Copyright 2016 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 CONTENT_COMMON_ORIGIN_TRIALS_TRIAL_TOKEN_STATUS_H_
+#define CONTENT_COMMON_ORIGIN_TRIALS_TRIAL_TOKEN_STATUS_H_
+
+namespace content {
+
+enum TrialTokenStatus {
+  TRIAL_TOKEN_STATUS_SUCCESS = 0,
+  TRIAL_TOKEN_STATUS_EXPIRED,
+  TRIAL_TOKEN_STATUS_INVALID_SIGNATURE,
+  TRIAL_TOKEN_STATUS_MALFORMED,
+  // Embedder does not support origin trials
+  TRIAL_TOKEN_STATUS_NOT_SUPPORTED,
+  TRIAL_TOKEN_STATUS_WRONG_FEATURE,
+  TRIAL_TOKEN_STATUS_WRONG_ORIGIN,
+  TRIAL_TOKEN_STATUS_LAST = TRIAL_TOKEN_STATUS_WRONG_ORIGIN
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_ORIGIN_TRIALS_TRIAL_TOKEN_STATUS_H_