Move temp file functions to base namespace.

chrome/browser/extensions/api/messaging/native_message_process_host_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/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_reader.h"
@@ skipping 138 matching lines @@
  protected:
   std::string FormatMessage(const std::string& message) {
     Pickle pickle;
     pickle.WriteString(message);
     return std::string(const_cast<const Pickle*>(&pickle)->payload(),
                        pickle.payload_size());
   }
 
   base::FilePath CreateTempFileWithMessage(const std::string& message) {
     base::FilePath filename = temp_dir_.path().AppendASCII("input");
-    file_util::CreateTemporaryFile(&filename);
+    base::CreateTemporaryFile(&filename);
     std::string message_with_header = FormatMessage(message);
     EXPECT_TRUE(file_util::WriteFile(
         filename, message_with_header.data(), message_with_header.size()));
     return filename;
   }
 
   // Force the channel to be dev.
   base::ScopedTempDir temp_dir_;
   ScopedCurrentChannel current_channel_;
   scoped_ptr<NativeMessageProcessHost> native_message_process_host_;
@@ skipping 121 matching lines @@
   read_message_run_loop_->Run();
   EXPECT_TRUE(last_message_parsed_->GetInteger("id", &id));
   EXPECT_EQ(2, id);
   EXPECT_TRUE(last_message_parsed_->GetString("echo.foo", &text));
   EXPECT_EQ("bar", text);
   EXPECT_TRUE(last_message_parsed_->GetString("caller_url", &url));
   EXPECT_EQ(expected_url, url);
 }
 
 }  // namespace extensions