Add disabled origin trial feature list

content/renderer/origin_trials/trial_token_validator.cc

Index: content/renderer/origin_trials/trial_token_validator.cc
diff --git a/content/renderer/origin_trials/trial_token_validator.cc b/content/renderer/origin_trials/trial_token_validator.cc
index 1df8dc78c3d1c193d4f036aa1a5f4cca7232d6a8..11cd04fddb1a6544542ec1ecdee86654a4b57161 100644
--- a/content/renderer/origin_trials/trial_token_validator.cc
+++ b/content/renderer/origin_trials/trial_token_validator.cc
@@ -25,6 +25,10 @@ bool TrialTokenValidator::validateToken(const blink::WebString& token,
   base::StringPiece public_key =
       content_client->renderer()->GetOriginTrialPublicKey();
 
+  if (content_client->renderer()->IsOriginTrialFeatureDisabled(
+          featureName.utf8()))
+    return false;

[chasej, 2016/02/29 19:23:26]

Move this check before getting the public key? Minor optimization to avoid
getting the key if won't be used.

[iclelland, 2016/05/24 19:38:43]

Done.

+
   return !public_key.empty() && trial_token &&
          trial_token->IsAppropriate(origin.utf8(), featureName.utf8()) &&
          trial_token->IsValid(base::Time::Now(), public_key);