Move temp file functions to base namespace.

chrome/browser/net/net_log_temp_file_unittest.cc

 // Copyright (c) 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 "chrome/browser/net/net_log_temp_file.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 47 matching lines @@
         net_log_temp_file_(new TestNetLogTempFile(net_log_.get())),
         file_user_blocking_thread_(BrowserThread::FILE_USER_BLOCKING,
                                    &message_loop_) {
   }
 
   // ::testing::Test implementation:
   virtual void SetUp() OVERRIDE {
     // Get a temporary file name for unit tests.
     base::FilePath net_log_dir;
     ASSERT_TRUE(net_log_temp_file_->GetNetExportLogDirectory(&net_log_dir));
-    ASSERT_TRUE(file_util::CreateTemporaryFileInDir(net_log_dir,
-                                                    &net_export_log_));
+    ASSERT_TRUE(base::CreateTemporaryFileInDir(net_log_dir, &net_export_log_));
 
     net_log_temp_file_->log_filename_ = net_export_log_.BaseName().value();
 
     // CreateTemporaryFileInDir may return a legacy 8.3 file name on windows.
     // Need to use the original directory name for string comparisons.
     ASSERT_TRUE(net_log_temp_file_->GetNetExportLog());
     net_export_log_ = net_log_temp_file_->log_path_;
     ASSERT_FALSE(net_export_log_.empty());
   }
 
@@ skipping 198 matching lines @@
   // Log an event.
   net_log_->AddGlobalEntry(net::NetLog::TYPE_CANCELLED);
 
   net_log_temp_file_->ProcessCommand(NetLogTempFile::DO_STOP);
   VerifyFileAndStateAfterDoStop();
 
   int64 new_stop_file_size;
   EXPECT_TRUE(file_util::GetFileSize(net_export_log_, &new_stop_file_size));
   EXPECT_GE(new_stop_file_size, stop_file_size);
 }