Credential Manager: Reject credential request if an outstanding request is pending.

components/password_manager/content/browser/content_credential_manager_dispatcher_unittest.cc

 // 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.
 
 #include "components/password_manager/content/browser/content_credential_manager_dispatcher.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 112 matching lines @@
 
   RunAllPendingTasks();
 
   const uint32 kMsgID = CredentialManagerMsg_SendCredential::ID;
   const IPC::Message* message =
       process()->sink().GetFirstMessageMatching(kMsgID);
   EXPECT_TRUE(message);
   process()->sink().ClearMessages();
 }
 
+TEST_F(ContentCredentialManagerDispatcherTest,
+       CredentialManagerOnRequestCredentialWhileRequestPending) {
+  std::vector<GURL> federations;
+  dispatcher()->OnRequestCredential(kRequestId, false, federations);
+  dispatcher()->OnRequestCredential(kRequestId, false, federations);
+
+  // Check that the second request triggered a rejection.
+  uint32 kMsgID = CredentialManagerMsg_RejectCredentialRequest::ID;
+  const IPC::Message* message =
+      process()->sink().GetFirstMessageMatching(kMsgID);
+  EXPECT_TRUE(message);
+  process()->sink().ClearMessages();
+
+  // Execute the PasswordStore asynchronousness.
+  RunAllPendingTasks();
+
+  // Check that the first request resolves.
+  kMsgID = CredentialManagerMsg_SendCredential::ID;
+  message = process()->sink().GetFirstMessageMatching(kMsgID);
+  EXPECT_TRUE(message);
+  process()->sink().ClearMessages();
+}
+
 }  // namespace password_manager