Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/history/history_backend_unittest.cc

Index: chrome/browser/history/history_backend_unittest.cc
diff --git a/chrome/browser/history/history_backend_unittest.cc b/chrome/browser/history/history_backend_unittest.cc
index 9a12517819948e87dbfd67fc1e38696fb71212e0..f53763f043a98732fdb9e8e59934ca3f8603c24e 100644
--- a/chrome/browser/history/history_backend_unittest.cc
+++ b/chrome/browser/history/history_backend_unittest.cc
@@ -2838,10 +2838,10 @@ TEST_F(HistoryBackendTest, DeleteFTSIndexDatabases) {
   // Setup dummy index database files.
   const char* data = "Dummy";
   const size_t data_len = 5;
-  ASSERT_TRUE(file_util::WriteFile(db1, data, data_len));
-  ASSERT_TRUE(file_util::WriteFile(db1_journal, data, data_len));
-  ASSERT_TRUE(file_util::WriteFile(db1_wal, data, data_len));
-  ASSERT_TRUE(file_util::WriteFile(db2_actual, data, data_len));
+  ASSERT_TRUE(base::WriteFile(db1, data, data_len));
+  ASSERT_TRUE(base::WriteFile(db1_journal, data, data_len));
+  ASSERT_TRUE(base::WriteFile(db1_wal, data, data_len));
+  ASSERT_TRUE(base::WriteFile(db2_actual, data, data_len));
 #if defined(OS_POSIX)
   EXPECT_TRUE(base::CreateSymbolicLink(db2_actual, db2_symlink));
 #endif