Add a global setting for "Auto sign-in".

components/password_manager/content/browser/credential_manager_dispatcher.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_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_DISPATCHER_H_
 #define COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_DISPATCHER_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/prefs/pref_member.h"
 #include "components/password_manager/core/browser/password_store_consumer.h"
 #include "content/public/browser/web_contents_observer.h"
 
 class GURL;
 
 namespace autofill {
 struct PasswordForm;
 }
 
 namespace content {
@@ skipping 57 matching lines @@
 
   // Returns the driver for the current main frame.
   // Virtual for testing.
   virtual base::WeakPtr<PasswordManagerDriver> GetDriver();
 
   void SendCredential(int request_id, const CredentialInfo& info);
 
   PasswordManagerClient* client_;
   scoped_ptr<CredentialManagerPasswordFormManager> form_manager_;
 
+  // Set to false to disable automatic signing in.
+  BooleanPrefMember auto_signin_enabled_;
+
   // When 'OnRequestCredential' is called, it in turn calls out to the
   // PasswordStore; we store request details here in order to properly
   // respond to the request once the PasswordStore gives us data.
   scoped_ptr<PendingRequestParameters> pending_request_;
 
   DISALLOW_COPY_AND_ASSIGN(CredentialManagerDispatcher);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_CONTENT_CREDENTIAL_MANAGER_DISPATCHER_H_