chrome: Cleanup class/struct forward declarations

chrome/browser/ui/passwords/password_manager_presenter.h

 // Copyright 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_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_
 #define CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 13 matching lines @@
 }
 
 // Multimap from sort key to password forms.
 using DuplicatesMap =
     std::multimap<std::string, std::unique_ptr<autofill::PasswordForm>>;
 
 enum class PasswordEntryType { SAVED, BLACKLISTED };
 
 class PasswordUIView;
 
-class Profile;
-
 // Contains the common logic used by a PasswordUIView to
 // interact with PasswordStore. It provides completion callbacks for
 // PasswordStore operations and updates the view on PasswordStore changes.
 class PasswordManagerPresenter
     : public password_manager::PasswordStore::Observer {
  public:
   // |password_view| the UI view that owns this presenter, must not be NULL.
   explicit PasswordManagerPresenter(PasswordUIView* password_view);
   ~PasswordManagerPresenter() override;
 
@@ skipping 106 matching lines @@
   // Used to determine whether or not to reveal plaintext passwords.
   base::TimeTicks last_authentication_time_;
 
   // UI view that owns this presenter.
   PasswordUIView* password_view_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordManagerPresenter);
 };
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_