Move temp file functions to base namespace.

net/base/file_stream_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 "net/base/file_stream.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 28 matching lines @@
   return buf;
 }
 
 }  // namespace
 
 class FileStreamTest : public PlatformTest {
  public:
   virtual void SetUp() {
     PlatformTest::SetUp();
 
-    file_util::CreateTemporaryFile(&temp_file_path_);
+    base::CreateTemporaryFile(&temp_file_path_);
     file_util::WriteFile(temp_file_path_, kTestData, kTestDataSize);
   }
   virtual void TearDown() {
     EXPECT_TRUE(base::DeleteFile(temp_file_path_, false));
 
     // FileStreamContexts must be asynchronously closed on the file task runner
     // before they can be deleted. Pump the RunLoop to avoid leaks.
     base::RunLoop().RunUntilIdle();
     PlatformTest::TearDown();
   }
@@ skipping 1162 matching lines @@
     total_bytes_read += rv;
     data_read.append(buf->data(), rv);
   }
   EXPECT_EQ(file_size, total_bytes_read);
 }
 #endif
 
 }  // namespace
 
 }  // namespace net