base: Get rid of the deprecated SysInfo::GetEnvVar.

base/sys_info_posix.cc

 // Copyright (c) 2010 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/sys_info.h"
 
 #include <errno.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/statvfs.h>
@@ skipping 29 matching lines @@
 // static
 int64 SysInfo::AmountOfFreeDiskSpace(const FilePath& path) {
   struct statvfs stats;
   if (statvfs(path.value().c_str(), &stats) != 0) {
     return -1;
   }
   return static_cast<int64>(stats.f_bavail) * stats.f_frsize;
 }
 
 // static
-std::wstring SysInfo::GetEnvVar(const wchar_t* var) {
-  std::string var_utf8 = WideToUTF8(std::wstring(var));
-  char* value = getenv(var_utf8.c_str());
-  if (!value) {
-    return std::wstring();
-  } else {
-    return UTF8ToWide(value);
-  }
-}
-
-// static
 std::string SysInfo::OperatingSystemName() {
   utsname info;
   if (uname(&info) < 0) {
     NOTREACHED();
     return "";
   }
   return std::string(info.sysname);
 }
 
 // static
@@ skipping 39 matching lines @@
   return gdk_screen_get_n_monitors(screen);
 }
 #endif
 
 // static
 size_t SysInfo::VMAllocationGranularity() {
   return getpagesize();
 }
 
 }  // namespace base