Componentize GoogleURLTracker(InfoBarDelegate,MapEntry,NavHelper)

chrome/browser/google/google_url_tracker_navigation_helper.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_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_
-#define CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_
-
-#include "base/macros.h"
-#include "ui/base/window_open_disposition.h"
-
-class GoogleURLTracker;
-class GURL;
-
-// Interface via which GoogleURLTracker communicates with its driver.
-// TODO(blundell): Rename this class to GoogleURLTrackerDriver.
-// crbug.com/373221
-class GoogleURLTrackerNavigationHelper {
- public:
-  explicit GoogleURLTrackerNavigationHelper(
-      GoogleURLTracker* google_url_tracker);
-  virtual ~GoogleURLTrackerNavigationHelper();
-
-  // Enables or disables listening for navigation commits.
-  // OnNavigationCommitted will be called for each navigation commit if
-  // listening is enabled.
-  virtual void SetListeningForNavigationCommit(bool listen) = 0;
-
-  // Returns whether or not this object is currently listening for navigation
-  // commits.
-  virtual bool IsListeningForNavigationCommit() = 0;
-
-  // Enables or disables listening for tab destruction. OnTabClosed will be
-  // called on tab destruction if listening is enabled.
-  virtual void SetListeningForTabDestruction(bool listen) = 0;
-
-  // Returns whether or not this object is currently listening for tab
-  // destruction.
-  virtual bool IsListeningForTabDestruction() = 0;
-
-  // Opens |url| with the given window disposition.
-  virtual void OpenURL(GURL url,
-                       WindowOpenDisposition disposition,
-                       bool user_clicked_on_link) = 0;
-
- protected:
-  GoogleURLTracker* google_url_tracker() { return google_url_tracker_; }
-
- private:
-  GoogleURLTracker* google_url_tracker_;
-
-  DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerNavigationHelper);
-};
-
-#endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_