[Experimental Framework] Move trial token code to renderer

content/child/origin_trials/trial_token_validator.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/child/origin_trials/trial_token_validator.h"
-
-#include "base/time/time.h"
-#include "content/common/origin_trials/trial_token.h"
-
-namespace content {
-
-TrialTokenValidator::TrialTokenValidator() {}
-TrialTokenValidator::~TrialTokenValidator() {}
-
-bool TrialTokenValidator::validateToken(const blink::WebString& token,
-                                        const blink::WebString& origin,
-                                        const blink::WebString& featureName) {
-  scoped_ptr<TrialToken> trialToken = TrialToken::Parse(token.utf8());
-  return trialToken &&
-         trialToken->IsAppropriate(origin.utf8(), featureName.utf8()) &&
-         trialToken->IsValid(base::Time::Now());
-}
-
-}  // namespace content