Move chromeos::version_loader to src/chromeos/system

chrome/browser/chromeos/version_loader.cc

-// Copyright (c) 2011 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/version_loader.h"
-
-#include <vector>
-
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "base/location.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/sys_info.h"
-#include "base/time/time.h"
-
-namespace chromeos {
-namespace version_loader {
-
-namespace {
-
-// Beginning of line we look for that gives full version number.
-// Format: x.x.xx.x (Developer|Official build extra info) board info
-const char kFullVersionKey[] = "CHROMEOS_RELEASE_DESCRIPTION";
-
-// Same but for short version (x.x.xx.x).
-const char kVersionKey[] = "CHROMEOS_RELEASE_VERSION";
-
-// Beginning of line we look for that gives the firmware version.
-const char kFirmwarePrefix[] = "version";
-
-// File to look for firmware number in.
-const char kPathFirmware[] = "/var/log/bios_info.txt";
-
-}  // namespace
-
-std::string GetVersion(VersionFormat format) {
-  std::string version;
-  std::string key = (format == VERSION_FULL ?
-                     kFullVersionKey : kVersionKey);
-  if (!base::SysInfo::GetLsbReleaseValue(key, &version)) {
-    LOG_IF(ERROR, base::SysInfo::IsRunningOnChromeOS())
-        << "No LSB version key: " << key;
-    version = "0.0.0.0";
-  }
-  if (format == VERSION_SHORT_WITH_DATE) {
-    base::Time::Exploded ctime;
-    base::SysInfo::GetLsbReleaseTime().UTCExplode(&ctime);
-    version += base::StringPrintf("-%02u.%02u.%02u",
-                                  ctime.year % 100,
-                                  ctime.month,
-                                  ctime.day_of_month);
-  }
-
-  return version;
-}
-
-std::string GetFirmware() {
-  std::string firmware;
-  std::string contents;
-  const base::FilePath file_path(kPathFirmware);
-  if (base::ReadFileToString(file_path, &contents)) {
-    firmware = ParseFirmware(contents);
-  }
-  return firmware;
-}
-
-std::string ParseFirmware(const std::string& contents) {
-  // The file contains lines such as:
-  // vendor           | ...
-  // version          | ...
-  // release_date     | ...
-  // We don't make any assumption that the spaces between "version" and "|" is
-  //   fixed. So we just match kFirmwarePrefix at the start of the line and find
-  //   the first character that is not "|" or space
-
-  std::vector<std::string> lines;
-  base::SplitString(contents, '\n', &lines);
-  for (size_t i = 0; i < lines.size(); ++i) {
-    if (StartsWithASCII(lines[i], kFirmwarePrefix, false)) {
-      std::string str = lines[i].substr(std::string(kFirmwarePrefix).size());
-      size_t found = str.find_first_not_of("| ");
-      if (found != std::string::npos)
-        return str.substr(found);
-    }
-  }
-  return std::string();
-}
-
-}  // namespace version_loader
-}  // namespace chromeos