Move ReadFileToString to the base namespace.

chrome/browser/chromeos/system_logs/lsb_release_log_source.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 "chrome/browser/chromeos/system_logs/lsb_release_log_source.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 26 matching lines @@
       base::Bind(&LsbReleaseLogSource::ReadLSBRelease, response),
       base::Bind(callback,
                  base::Owned(response)));
 }
 
 void LsbReleaseLogSource::ReadLSBRelease(SystemLogsResponse* response) {
   DCHECK(response);
 
   const base::FilePath lsb_release_file("/etc/lsb-release");
   std::string lsb_data;
-  bool read_success = file_util::ReadFileToString(lsb_release_file, &lsb_data);
+  bool read_success = base::ReadFileToString(lsb_release_file, &lsb_data);
   // if we were using an internal temp file, the user does not need the
   // logs to stay past the ReadFile call - delete the file
   if (!read_success) {
     LOG(ERROR) << "Can't access /etc/lsb-release file.";
     return;
   }
   ParseLSBRelease(lsb_data, response);
 }
 
 void LsbReleaseLogSource::ParseLSBRelease(const std::string& lsb_data,
@@ skipping 15 matching lines @@
 
     if (value.empty())
       (*response)[key] = kEmptyLogEntry;
     else
       (*response)[key] = value;
   }
 }
 
 }  // namespace chromeos