Collect UMA data for Origin Trials

content/renderer/origin_trials/web_trial_token_validator_impl.cc

 // 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.
 
 #include "content/renderer/origin_trials/web_trial_token_validator_impl.h"
 
 #include "content/common/origin_trials/trial_token_validator.h"
 
 namespace content {
 
 WebTrialTokenValidatorImpl::WebTrialTokenValidatorImpl() {}
 WebTrialTokenValidatorImpl::~WebTrialTokenValidatorImpl() {}
 
-bool WebTrialTokenValidatorImpl::validateToken(
+#define STATIC_ASSERT_ENUM(a, b)                            \
+  static_assert(static_cast<int>(a) == static_cast<int>(b), \
+                "mismatching enums: " #a)
+
+STATIC_ASSERT_ENUM(TRIAL_TOKEN_STATUS_SUCCESS,
+                   blink::WebTrialTokenValidator::TokenValidationResultSuccess);
+STATIC_ASSERT_ENUM(TRIAL_TOKEN_STATUS_EXPIRED,
+                   blink::WebTrialTokenValidator::TokenValidationResultExpired);
+STATIC_ASSERT_ENUM(
+    TRIAL_TOKEN_STATUS_INVALID_SIGNATURE,
+    blink::WebTrialTokenValidator::TokenValidationResultInvalidSignature);
+STATIC_ASSERT_ENUM(
+    TRIAL_TOKEN_STATUS_MALFORMED,
+    blink::WebTrialTokenValidator::TokenValidationResultMalformed);
+STATIC_ASSERT_ENUM(
+    TRIAL_TOKEN_STATUS_NOT_SUPPORTED,
+    blink::WebTrialTokenValidator::TokenValidationResultNotSupported);
+STATIC_ASSERT_ENUM(
+    TRIAL_TOKEN_STATUS_WRONG_FEATURE,
+    blink::WebTrialTokenValidator::TokenValidationResultWrongFeature);
+STATIC_ASSERT_ENUM(
+    TRIAL_TOKEN_STATUS_WRONG_ORIGIN,
+    blink::WebTrialTokenValidator::TokenValidationResultWrongOrigin);
+
+blink::WebTrialTokenValidator::TokenValidationResult
+WebTrialTokenValidatorImpl::validateToken(
     const blink::WebString& token,
     const blink::WebSecurityOrigin& origin,
     const blink::WebString& featureName) {
-  return TrialTokenValidator::ValidateToken(token.utf8(), origin,
-                                            featureName.utf8());
+  return static_cast<blink::WebTrialTokenValidator::TokenValidationResult>(
+      TrialTokenValidator::ValidateToken(token.utf8(), origin,
+                                         featureName.utf8()));
 }
 
 }  // namespace content