[chromedriver] Separate stuff of chrome from chromedriver.

chrome/test/chromedriver/navigation_tracker.h

-// Copyright (c) 2013 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_NAVIGATION_TRACKER_H_
-#define CHROME_TEST_CHROMEDRIVER_NAVIGATION_TRACKER_H_
-
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "chrome/test/chromedriver/devtools_event_listener.h"
-#include "chrome/test/chromedriver/status.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-class DevToolsClient;
-class Status;
-
-// Tracks the navigation state of the page.
-class NavigationTracker : public DevToolsEventListener {
- public:
-  enum LoadingState {
-    kUnknown,
-    kLoading,
-    kNotLoading,
-  };
-
-  explicit NavigationTracker(DevToolsClient* client);
-  NavigationTracker(DevToolsClient* client, LoadingState known_state);
-  virtual ~NavigationTracker();
-
-  Status IsPendingNavigation(const std::string& frame_id, bool* is_pending);
-
-  // Overridden from DevToolsEventListener:
-  virtual Status OnConnected() OVERRIDE;
-  virtual void OnEvent(const std::string& method,
-                       const base::DictionaryValue& params) OVERRIDE;
-
- private:
-  DevToolsClient* client_;
-  LoadingState loading_state_;
-  std::set<std::string> scheduled_frame_set_;
-
-  DISALLOW_COPY_AND_ASSIGN(NavigationTracker);
-};
-
-#endif  // CHROME_TEST_CHROMEDRIVER_NAVIGATION_TRACKER_H_