[Smart Lock] Remove unnecessary string duplication for autosign in smart lock UI.

chrome/browser/ui/android/snackbars/auto_signin_snackbar_controller.cc

 // Copyright 2015 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.
 
 #include "chrome/browser/ui/android/snackbars/auto_signin_snackbar_controller.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "chrome/browser/android/tab_android.h"
+#include "chrome/grit/generated_resources.h"
 #include "jni/AutoSigninSnackbarController_jni.h"
+#include "ui/base/l10n/l10n_util.h"
 
 void ShowAutoSigninSnackbar(TabAndroid *tab, const base::string16& username) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> message =
-      base::android::ConvertUTF16ToJavaString(
-          env, username);
+  ScopedJavaLocalRef<jstring> message = base::android::ConvertUTF16ToJavaString(
+      env, l10n_util::GetStringFUTF16(IDS_MANAGE_PASSWORDS_AUTO_SIGNIN_TITLE,
+                                      username));
   Java_AutoSigninSnackbarController_showSnackbar(
       env, tab->GetJavaObject().obj(), message.obj());
 }
 
 bool RegisterAutoSigninSnackbarController(JNIEnv *env) {
    return RegisterNativesImpl(env);
 }