Add disabled origin trial feature list

content/shell/common/shell_origin_trial_policy.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/shell/common/shell_origin_trial_policy.h"
 
 namespace content {
 
 namespace {
 
@@ skipping 12 matching lines @@
     : public_key_(base::StringPiece(
           reinterpret_cast<const char*>(kOriginTrialPublicKey),
           arraysize(kOriginTrialPublicKey))) {}
 
 ShellOriginTrialPolicy::~ShellOriginTrialPolicy() {}
 
 base::StringPiece ShellOriginTrialPolicy::GetPublicKey() const {
   return public_key_;
 }
 
+bool ShellOriginTrialPolicy::IsFeatureDisabled(
+    base::StringPiece feature) const {
+  return false;
+}
+
 }  // namespace content