Move the rest of test_file_util to base namespace.

content/browser/download/download_file_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 "base/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/test/test_file_util.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/byte_stream.h"
@@ skipping 452 matching lines @@
   base::FilePath target_path(tempdir.Append(initial_path.BaseName()));
 
   // Targets
   base::FilePath target_path_suffixed(
       target_path.InsertBeforeExtensionASCII(" (1)"));
   ASSERT_FALSE(base::PathExists(target_path));
   ASSERT_FALSE(base::PathExists(target_path_suffixed));
 
   // Make the directory unwritable and try to rename within it.
   {
-    file_util::PermissionRestorer restorer(tempdir);
-    ASSERT_TRUE(file_util::MakeFileUnwritable(tempdir));
+    base::FilePermissionRestorer restorer(tempdir);
+    ASSERT_TRUE(base::MakeFileUnwritable(tempdir));
 
     // Expect nulling out of further processing.
     EXPECT_CALL(*input_stream_, RegisterCallback(IsNullCallback()));
     EXPECT_EQ(DOWNLOAD_INTERRUPT_REASON_FILE_ACCESS_DENIED,
               RenameAndAnnotate(target_path, NULL));
     EXPECT_FALSE(base::PathExists(target_path_suffixed));
   }
 
   FinishStream(DOWNLOAD_INTERRUPT_REASON_NONE, true);
   loop_.RunUntilIdle();
@@ skipping 109 matching lines @@
 
   EXPECT_EQ(static_cast<int64>(strlen(kTestData1) + strlen(kTestData2)),
             bytes_);
   EXPECT_EQ(download_file_->GetHashState(), hash_state_);
 
   FinishStream(DOWNLOAD_INTERRUPT_REASON_NONE, true);
   DestroyDownloadFile(0);
 }
 
 }  // namespace content