Componentize GoogleURLTracker(InfoBarDelegate,MapEntry,NavHelper)

chrome/browser/google/google_url_tracker_map_entry.h

-// Copyright 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_MAP_ENTRY_H_
-#define CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_MAP_ENTRY_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/google/google_url_tracker_infobar_delegate.h"
-#include "chrome/browser/google/google_url_tracker_navigation_helper.h"
-#include "components/infobars/core/infobar_manager.h"
-
-class GoogleURLTracker;
-
-namespace infobars {
-class InfoBarManager;
-}
-
-class GoogleURLTrackerMapEntry : public infobars::InfoBarManager::Observer {
- public:
-  GoogleURLTrackerMapEntry(
-      GoogleURLTracker* google_url_tracker,
-      infobars::InfoBarManager* infobar_manager,
-      scoped_ptr<GoogleURLTrackerNavigationHelper> navigation_helper);
-  virtual ~GoogleURLTrackerMapEntry();
-
-  bool has_infobar_delegate() const { return !!infobar_delegate_; }
-  GoogleURLTrackerInfoBarDelegate* infobar_delegate() {
-    return infobar_delegate_;
-  }
-  void SetInfoBarDelegate(GoogleURLTrackerInfoBarDelegate* infobar_delegate);
-
-  GoogleURLTrackerNavigationHelper* navigation_helper() {
-    // This object gives ownership of |navigation_helper_| to the infobar
-    // delegate in SetInfoBarDelegate().
-    return has_infobar_delegate() ?
-        infobar_delegate_->navigation_helper() : navigation_helper_.get();
-  }
-
-  const infobars::InfoBarManager* infobar_manager() const {
-    return infobar_manager_;
-  }
-
-  void Close(bool redo_search);
-
- private:
-  friend class GoogleURLTrackerTest;
-
-  // infobars::InfoBarManager::Observer:
-  virtual void OnInfoBarRemoved(infobars::InfoBar* infobar,
-                                bool animate) OVERRIDE;
-  virtual void OnManagerShuttingDown(
-      infobars::InfoBarManager* manager) OVERRIDE;
-
-  GoogleURLTracker* const google_url_tracker_;
-  infobars::InfoBarManager* const infobar_manager_;
-  GoogleURLTrackerInfoBarDelegate* infobar_delegate_;
-  scoped_ptr<GoogleURLTrackerNavigationHelper> navigation_helper_;
-  bool observing_;
-
-  DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerMapEntry);
-};
-
-#endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_MAP_ENTRY_H_