[Password Manager Cleanup] Replaces NULL -> nullptr.

chrome/browser/password_manager/password_store_win_unittest.cc

 // Copyright (c) 2012 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 <windows.h>
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 79 matching lines @@
     DATA_BLOB output = {0};
 
     input.pbData = data;
     input.cbData = sizeof(data);
 
     url_key.pbData = reinterpret_cast<unsigned char*>(
         const_cast<wchar_t*>(url.data()));
     url_key.cbData = static_cast<DWORD>((url.size() + 1) *
                                         sizeof(std::wstring::value_type));
 
-    if (!CryptProtectData(&input, NULL, &url_key, NULL, NULL,
+    if (!CryptProtectData(&input, nullptr, &url_key, nullptr, nullptr,
                           CRYPTPROTECT_UI_FORBIDDEN, &output))
       return false;
 
     std::vector<unsigned char> encrypted_data;
     encrypted_data.resize(output.cbData);
     memcpy(&encrypted_data.front(), output.pbData, output.cbData);
 
     LocalFree(output.pbData);
 
     info->url_hash = ie7_password::GetUrlHash(url);
@@ skipping 21 matching lines @@
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
         WebDataServiceBase::ProfileErrorCallback());
     wds_->Init();
   }
 
   virtual void TearDown() {
     if (store_.get())
       store_->Shutdown();
     wds_->ShutdownOnUIThread();
     wdbs_->ShutdownDatabase();
-    wds_ = NULL;
-    wdbs_ = NULL;
+    wds_ = nullptr;
+    wdbs_ = nullptr;
     base::WaitableEvent done(false, false);
     BrowserThread::PostTask(BrowserThread::DB, FROM_HERE,
         base::Bind(&base::WaitableEvent::Signal, base::Unretained(&done)));
     done.Wait();
     base::MessageLoop::current()->PostTask(FROM_HERE,
                                            base::MessageLoop::QuitClosure());
     base::MessageLoop::current()->Run();
     db_thread_.Stop();
   }
 
@@ skipping 123 matching lines @@
     true, false, 1,
   };
   scoped_ptr<PasswordForm> form =
       CreatePasswordFormFromDataForTesting(form_data);
 
   MockPasswordStoreConsumer consumer;
   store_->GetLogins(*form, PasswordStore::DISALLOW_PROMPT, &consumer);
 
   // Release the PSW and the WDS before the query can return.
   store_->Shutdown();
-  store_ = NULL;
-  wds_ = NULL;
+  store_ = nullptr;
+  wds_ = nullptr;
 
   base::MessageLoop::current()->RunUntilIdle();
 }
 
 // Hangs flakily, see http://crbug.com/43836.
 TEST_F(PasswordStoreWinTest, DISABLED_MultipleWDSQueriesOnDifferentThreads) {
   IE7PasswordInfo password_info;
   ASSERT_TRUE(CreateIE7PasswordInfo(L"http://example.com/origin",
                                     base::Time::FromDoubleT(1),
                                     &password_info));
@@ skipping 121 matching lines @@
 
   // Make sure we quit the MessageLoop even if the test fails.
   ON_CALL(consumer, OnGetPasswordStoreResultsConstRef(_))
       .WillByDefault(QuitUIMessageLoop());
 
   EXPECT_CALL(consumer, OnGetPasswordStoreResultsConstRef(IsEmpty()));
 
   store_->GetAutofillableLogins(&consumer);
   base::MessageLoop::current()->Run();
 }