Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/chromeos/login/parallel_authenticator_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 "chrome/browser/chromeos/login/parallel_authenticator.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 79 matching lines @@
     DBusThreadManager::Shutdown();
 
     cryptohome::AsyncMethodCaller::Shutdown();
     mock_caller_ = NULL;
   }
 
   base::FilePath PopulateTempFile(const char* data, int data_len) {
     base::FilePath out;
     FILE* tmp_file = base::CreateAndOpenTemporaryFile(&out);
     EXPECT_NE(tmp_file, static_cast<FILE*>(NULL));
-    EXPECT_EQ(file_util::WriteFile(out, data, data_len), data_len);
+    EXPECT_EQ(base::WriteFile(out, data, data_len), data_len);
     EXPECT_TRUE(base::CloseFile(tmp_file));
     return out;
   }
 
   // Allow test to fail and exit gracefully, even if OnLoginFailure()
   // wasn't supposed to happen.
   void FailOnLoginFailure() {
     ON_CALL(consumer_, OnLoginFailure(_))
         .WillByDefault(Invoke(MockConsumer::OnFailQuitAndFail));
   }
@@ skipping 496 matching lines @@
       .Times(1)
       .RetiresOnSaturation();
 
   auth_->AuthenticateToUnlock(UserContext(username_,
                                           std::string(),
                                           std::string()));
   base::MessageLoop::current()->Run();
 }
 
 }  // namespace chromeos