Move WriteFile and WriteFileDescriptor from file_util to base namespace.

chrome/browser/ui/app_list/search/history_data_store_unittest.cc

 // Copyright 2013 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/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 54 matching lines @@
   void Load() {
     store_->Load(base::Bind(&HistoryDataStoreTest::OnRead,
                             base::Unretained(this)));
     run_loop_.reset(new base::RunLoop);
     run_loop_->Run();
     run_loop_.reset();
   }
 
   void WriteDataFile(const std::string& file_name,
                      const std::string& data) {
-    file_util::WriteFile(
+    base::WriteFile(
         temp_dir_.path().AppendASCII(file_name), data.c_str(), data.size());
   }
 
   HistoryDataStore* store() { return store_.get(); }
   const HistoryData::Associations& associations() const {
     return associations_;
   }
 
  private:
   void OnRead(scoped_ptr<HistoryData::Associations> associations) {
@@ skipping 85 matching lines @@
   EXPECT_EQ(now, it->second.update_time);
 
   store()->Delete(kQuery);
   Flush();
   Load();
   EXPECT_TRUE(associations().empty());
 }
 
 }  // namespace test
 }  // namespace app_list