Do not involve PasswordManagerDriver in filling HTTP-auth forms; also check realm

components/password_manager/core/browser/login_model.cc

Index: components/password_manager/core/browser/login_model.cc
diff --git a/components/password_manager/core/browser/login_model.cc b/components/password_manager/core/browser/login_model.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a2bf7126e9dfe42100cef5d80e465b64c2e67bf5
--- /dev/null
+++ b/components/password_manager/core/browser/login_model.cc
@@ -0,0 +1,27 @@
+// 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 "components/password_manager/core/browser/login_model.h"
+
+namespace password_manager {
+
+LoginModelObserver::LoginModelObserver() {}
+
+LoginModelObserver::~LoginModelObserver() {}
+
+void LoginModelObserver::OnAutofillDataAvailable(
+    const autofill::PasswordForm& credentials) {
+  DCHECK(!signon_realm_.empty())
+      << "The model did not call set_signon_realm properly.";
+
+  if (credentials.signon_realm == signon_realm_) {
+    OnAutofillDataAvailableInternal(credentials.username_value,
+                                    credentials.password_value);
+  }
+}
+
+LoginModel::LoginModel() {}
+LoginModel::~LoginModel() {}
+
+}  // namespace password_manager