Porting refactoring changes:...

base/sys_info_posix.cc

 // Copyright (c) 2008 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 "base/basictypes.h"
 
 #include <errno.h>
 #include <string.h>
 #include <sys/statvfs.h>
+#include <sys/utsname.h>
 #include <unistd.h>
 
 #if defined(OS_MACOSX)
 #include <mach/mach_host.h>
 #include <mach/mach_init.h>
 #endif
 
 #include "base/logging.h"
 #include "base/string_util.h"
 
@@ skipping 42 matching lines @@
 
 // static
 int64 SysInfo::AmountOfFreeDiskSpace(const std::wstring& path) {
   struct statvfs stats;
   if (statvfs(WideToUTF8(path).c_str(), &stats) != 0) {
     return -1;
   }
   return static_cast<int64>(stats.f_bavail) * stats.f_frsize;
 }
 
+// static
+bool SysInfo::HasEnvironmentVariable(const char* var) {
+  return getenv(var) != NULL;
+}
+
+// static
+std::wstring SysInfo::GetEnvironmentVariable(const char* var) {
+  char* value = getenv(var);
+  if (!value) {
+    return L"";
+  } else {
+    return UTF8ToWide(value);
+  }
+}
+
+// static
+std::string SysInfo::OperatingSystemName() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.sysname);
+}
+
+// static
+std::string SysInfo::OperatingSystemVersion() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.release);
+}
+
+// static
+std::string SysInfo::CPUArchitecture() {
+  utsname info;
+  if (uname(&info) < 0) {
+    NOTREACHED();
+    return "";
+  }
+  return std::string(info.machine);
+}
+
+// static
+void SysInfo::GetPrimaryDisplayDimensions(int* width, int* height) {
+  NOTIMPLEMENTED();
+}
+
+// static
+int SysInfo::DisplayCount() {
+  NOTIMPLEMENTED();
+  return 1;
+}
+
 }  // namespace base