[chromedriver] Separate stuff of chrome from chromedriver.

chrome/test/chromedriver/devtools_client.h

-// Copyright (c) 2012 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 CHROME_TEST_CHROMEDRIVER_DEVTOOLS_CLIENT_H_
-#define CHROME_TEST_CHROMEDRIVER_DEVTOOLS_CLIENT_H_
-
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-class DevToolsEventListener;
-class Status;
-
-// A DevTools client of a single DevTools debugger.
-class DevToolsClient {
- public:
-  typedef base::Callback<Status(bool* is_condition_met)> ConditionalFunc;
-
-  virtual ~DevToolsClient() {}
-
-  // Connect to DevTools if the DevToolsClient is disconnected.
-  virtual Status ConnectIfNecessary() = 0;
-
-  virtual Status SendCommand(const std::string& method,
-                             const base::DictionaryValue& params) = 0;
-  virtual Status SendCommandAndGetResult(
-      const std::string& method,
-      const base::DictionaryValue& params,
-      scoped_ptr<base::DictionaryValue>* result) = 0;
-
-  virtual void AddListener(DevToolsEventListener* listener) = 0;
-
-  // Handles events until the given function reports the condition is met
-  // and there are no more received events to handle. If the given
-  // function ever returns an error, returns immediately with the error.
-  virtual Status HandleEventsUntil(const ConditionalFunc& conditional_func) = 0;
-
-  // Handles events that have been received but not yet handled.
-  virtual Status HandleReceivedEvents();
-};
-
-#endif  // CHROME_TEST_CHROMEDRIVER_DEVTOOLS_CLIENT_H_