Rename Experimental Framework classes and concepts

content/child/experiments/api_key_validator.h

-// 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.
-
-#ifndef CONTENT_CHILD_EXPERIMENTS_API_KEY_VALIDATOR_H_
-#define CONTENT_CHILD_EXPERIMENTS_API_KEY_VALIDATOR_H_
-
-#include <string>
-#include "third_party/WebKit/public/platform/WebApiKeyValidator.h"
-
-namespace content {
-
-// The ApiKeyValidator is called by the Experimental Framework code in Blink to
-// validate tokens to enable experimental APIs.
-//
-// This class is thread-safe.
-class ApiKeyValidator : public blink::WebApiKeyValidator {
- public:
-  ApiKeyValidator();
-  ~ApiKeyValidator() override;
-
-  // blink::WebApiKeyValidator implementation
-  bool validateApiKey(const blink::WebString& apiKey,
-                      const blink::WebString& origin,
-                      const blink::WebString& apiName) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ApiKeyValidator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_EXPERIMENTS_API_KEY_VALIDATOR_H_