[Password Manager] Remove the "manager-for-sync-signin" flags.

chrome/browser/password_manager/chrome_password_manager_client.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 CHROME_BROWSER_PASSWORD_MANAGER_CHROME_PASSWORD_MANAGER_CLIENT_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_CHROME_PASSWORD_MANAGER_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 81 matching lines @@
       content::WebContents* contents,
       autofill::AutofillClient* autofill_client);
 
   // Observer for PasswordGenerationPopup events. Used for testing.
   void SetTestObserver(autofill::PasswordGenerationPopupObserver* observer);
 
   // Returns true if the bubble UI is enabled, and false if we're still using
   // the sad old Infobar UI.
   static bool IsTheHotNewBubbleUIEnabled();
 
-  // Returns true if the password manager should be enabled during sync signin.
-  static bool EnabledForSyncSignin();
-
  protected:
   // Callable for tests.
   ChromePasswordManagerClient(content::WebContents* web_contents,
                               autofill::AutofillClient* autofill_client);
 
  private:
   friend class content::WebContentsUserData<ChromePasswordManagerClient>;
 
   // content::WebContentsObserver overrides.
   bool OnMessageReceived(const IPC::Message& message,
@@ skipping 67 matching lines @@
   scoped_ptr<password_manager::LogManager> log_manager_;
 
   // Set during 'NotifyUserAutoSigninBlockedOnFirstRun' in order to store the
   // form for potential use during 'NotifySuccessfulLoginWithExistingPassword'.
   scoped_ptr<autofill::PasswordForm> form_blocked_on_first_run_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromePasswordManagerClient);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_CHROME_PASSWORD_MANAGER_CLIENT_H_