Fixed loader issue in unit tests caused by some test not using that mock and ...

chrome/browser/chromeos/login/google_authenticator_unittest.cc

 // Copyright (c) 2010 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/chromeos/login/google_authenticator.h"
 #include "chrome/browser/chromeos/login/client_login_response_handler.h"
 #include "chrome/browser/chromeos/login/issue_response_handler.h"
 
 #include <errno.h>
 #include <string>
@@ skipping 49 matching lines @@
         .Times(AnyNumber());
 
     test_api->SetLibraryLoader(loader_);
 
     mock_library_ = new MockCryptohomeLibrary();
     test_api->SetCryptohomeLibrary(mock_library_);
 }
 
   // Tears down the test fixture.
   virtual void TearDown() {
+    // Prevent bogus gMock leak check from firing.
+    chromeos::CrosLibrary::TestApi* test_api =
+        chromeos::CrosLibrary::Get()->GetTestApi();
+    test_api->SetLibraryLoader(NULL);
+    test_api->SetCryptohomeLibrary(NULL);
   }
 
   unsigned char fake_hash_[32];
   std::string hash_ascii_;
   std::string username_;
   ResponseCookies cookies_;
   // Mocks, destroyed by CrosLibrary class.
   MockCryptohomeLibrary* mock_library_;
   MockLibraryLoader* loader_;
 };
@@ skipping 175 matching lines @@
   GoogleAuthenticator auth(&consumer,
                            new ClientLoginResponseHandler(NULL),
                            new IssueResponseHandler(NULL));
   auth.set_password_hash(hash_ascii_);
   auth.set_username(username_);
   auth.OnURLFetchComplete(NULL, source, status, 200, cookies_, std::string());
   MessageLoop::current()->Run();  // So tasks can be posted.
 }
 
 }  // namespace chromeos