Simplify infobar expiry.

components/infobars/core/infobar_delegate.h

 // Copyright 2014 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 COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 #define COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/base/window_open_disposition.h"
@@ skipping 109 matching lines @@
   virtual PopupBlockedInfoBarDelegate* AsPopupBlockedInfoBarDelegate();
   virtual RegisterProtocolHandlerInfoBarDelegate*
       AsRegisterProtocolHandlerInfoBarDelegate();
   virtual ScreenCaptureInfoBarDelegate* AsScreenCaptureInfoBarDelegate();
   virtual ThemeInstalledInfoBarDelegate* AsThemePreviewInfobarDelegate();
   virtual ThreeDAPIInfoBarDelegate* AsThreeDAPIInfoBarDelegate();
   virtual translate::TranslateInfoBarDelegate* AsTranslateInfoBarDelegate();
 
   void set_infobar(InfoBar* infobar) { infobar_ = infobar; }
 
-  // Store the unique id for the active entry, to be used later upon navigation
-  // to determine if this InfoBarDelegate should be expired.
-  void StoreActiveEntryUniqueID();
-
  protected:
   InfoBarDelegate();
 
-  // Returns true if the navigation is to a new URL or a reload occured.
-  virtual bool ShouldExpireInternal(const NavigationDetails& details) const;
-
-  int contents_unique_id() const { return contents_unique_id_; }
   InfoBar* infobar() { return infobar_; }
 
  private:
-  // The unique id of the active NavigationEntry of the WebContents that we were
-  // opened for. Used to help expire on navigations.
-  int contents_unique_id_;
-
   // The InfoBar associated with us.
   InfoBar* infobar_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarDelegate);
 };
 
 }  // namespace infobars
 
 #endif  // COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_