Eliminate dependence of GoogleURLTracker et al. on InfoBarService

chrome/browser/google/google_url_tracker_map_entry.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_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 "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class GoogleURLTracker;
-class GoogleURLTrackerInfoBarDelegate;
-class InfoBarService;
+
+namespace infobars {
+class InfoBarManager;
+}
 
 class GoogleURLTrackerMapEntry : public content::NotificationObserver {
  public:
   GoogleURLTrackerMapEntry(
       GoogleURLTracker* google_url_tracker,
-      InfoBarService* infobar_service,
+      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() {
-    return navigation_helper_.get();
+    // This object gives ownership of |navigation_helper_| to the infobar
+    // delegate in SetInfoBarDelegate().
+    return has_infobar_delegate() ?
+        infobar_delegate_->navigation_helper() : navigation_helper_.get();
   }
 
   void Close(bool redo_search);
 
  private:
   friend class GoogleURLTrackerTest;
 
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   content::NotificationRegistrar registrar_;
   GoogleURLTracker* const google_url_tracker_;
-  const InfoBarService* const infobar_service_;
+  const infobars::InfoBarManager* const infobar_manager_;
   GoogleURLTrackerInfoBarDelegate* infobar_delegate_;
   scoped_ptr<GoogleURLTrackerNavigationHelper> navigation_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTrackerMapEntry);
 };
 
 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_MAP_ENTRY_H_