Add disabled origin trial feature list

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index cdd2ba479905b9a718c535d618177326bf915c68..a1f6ddc360cf4938800a5a7699c504ffc3c2b4d9 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -321,6 +321,11 @@ ChromeContentRendererClient::ChromeContentRendererClient()
     origin_trial_key_manager_.SetPublicKeyFromASCIIString(
         command_line->GetSwitchValueASCII(switches::kOriginTrialPublicKey));
   }
+  if (command_line->HasSwitch(switches::kOriginTrialDisabledFeatures)) {
+    origin_trial_key_manager_.SetDisabledFeatures(
+        command_line->GetSwitchValueASCII(
+            switches::kOriginTrialDisabledFeatures));
+  }
 }
 
 ChromeContentRendererClient::~ChromeContentRendererClient() {
@@ -1431,3 +1436,8 @@ bool ChromeContentRendererClient::ShouldEnforceWebRTCRoutingPreferences() {
 base::StringPiece ChromeContentRendererClient::GetOriginTrialPublicKey() {
   return origin_trial_key_manager_.GetPublicKey();
 }
+
+bool ChromeContentRendererClient::IsOriginTrialFeatureDisabled(
+    const std::string& feature) {
+  return origin_trial_key_manager_.IsFeatureDisabled(feature);
+}