[Password Manager] Remove dead profile migration code for GNOME/KWallet

chrome/browser/password_manager/native_backend_gnome_x.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_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_
 
 #include <gnome-keyring.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/password_manager/password_store_x.h"
 #include "chrome/browser/profiles/profile.h"
 
-class PrefService;
-
 namespace autofill {
 struct PasswordForm;
 }
 
 // Many of the gnome_keyring_* functions use variable arguments, which makes
 // them difficult if not impossible to truly wrap in C. Therefore, we use
 // appropriately-typed function pointers and scoping to make the fact that we
 // might be dynamically loading the library almost invisible. As a bonus, we
 // also get a simple way to mock the library for testing. Classes that inherit
 // from GnomeKeyringLoader will use its versions of the gnome_keyring_*
@@ skipping 39 matching lines @@
 
   // Make it easy to initialize the function pointers in LoadGnomeKeyring().
   static const FunctionInfo functions[];
 #endif  // defined(DLOPEN_GNOME_KEYRING)
 };
 
 // NativeBackend implementation using GNOME Keyring.
 class NativeBackendGnome : public PasswordStoreX::NativeBackend,
                            public GnomeKeyringLoader {
  public:
-  NativeBackendGnome(LocalProfileId id, PrefService* prefs);
+  explicit NativeBackendGnome(LocalProfileId id);
 
   virtual ~NativeBackendGnome();
 
   virtual bool Init() OVERRIDE;
 
   // Implements NativeBackend interface.
   virtual bool AddLogin(const autofill::PasswordForm& form) OVERRIDE;
   virtual bool UpdateLogin(const autofill::PasswordForm& form) OVERRIDE;
   virtual bool RemoveLogin(const autofill::PasswordForm& form) OVERRIDE;
   virtual bool RemoveLoginsCreatedBetween(
@@ skipping 12 matching lines @@
 
   // Reads PasswordForms from the keyring with the given autofillability state.
   bool GetLoginsList(PasswordFormList* forms, bool autofillable);
 
   // Helper for GetLoginsCreatedBetween().
   bool GetAllLogins(PasswordFormList* forms);
 
   // Generates a profile-specific app string based on profile_id_.
   std::string GetProfileSpecificAppString() const;
 
-  // Migrates non-profile-specific logins to be profile-specific.
-  void MigrateToProfileSpecificLogins();
-
   // The local profile id, used to generate the app string.
   const LocalProfileId profile_id_;
 
-  // The pref service to use for persistent migration settings.
-  PrefService* prefs_;
-
   // The app string, possibly based on the local profile id.
   std::string app_string_;
 
-  // True once MigrateToProfileSpecificLogins() has been attempted.
-  bool migrate_tried_;
-
   DISALLOW_COPY_AND_ASSIGN(NativeBackendGnome);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_NATIVE_BACKEND_GNOME_X_H_