Revert 239280 "Move more file_util functions to base namespace."

trunk/src/net/base/file_stream_unittest.cc

Index: trunk/src/net/base/file_stream_unittest.cc
===================================================================
--- trunk/src/net/base/file_stream_unittest.cc	(revision 239399)
+++ trunk/src/net/base/file_stream_unittest.cc	(working copy)
@@ -200,7 +200,7 @@
 
   // Read into buffer and compare to make sure the handle worked fine.
   ASSERT_EQ(kTestDataSize,
-            base::ReadFile(temp_file_path(), buffer, kTestDataSize));
+      file_util::ReadFile(temp_file_path(), buffer, kTestDataSize));
   ASSERT_EQ(0, memcmp(kTestData, buffer, kTestDataSize));
 }