diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/sys_info.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/sys_info.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,83 @@
+// 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.
+
+#ifndef BASE_SYS_INFO_H_
+#define BASE_SYS_INFO_H_
+
+#include "base/basictypes.h"
+
+#include <string>
+
+namespace base {
+
+class SysInfo {
+ public:
+  // Return the number of logical processors/cores on the current machine.
+  // WARNING: On POSIX, this method uses static variables and is not threadsafe
+  // until it's been initialized by being called once without a race.
+  static int NumberOfProcessors();
+
+  // Return the number of bytes of physical memory on the current machine.
+  static int64_t AmountOfPhysicalMemory();
+
+  // Return the number of megabytes of physical memory on the current machine.
+  static int AmountOfPhysicalMemoryMB() {
+    return static_cast<int>(AmountOfPhysicalMemory() / 1024 / 1024);
+  }
+
+  // Return the available disk space in bytes on the volume containing |path|,
+  // or -1 on failure.
+  static int64_t AmountOfFreeDiskSpace(const std::wstring& path);
+
+  // Return true if the given environment variable is defined.
+  // TODO: find a better place for HasEnvVar.
+  static bool HasEnvVar(const wchar_t* var);
+
+  // Return the value of the given environment variable
+  // or an empty string if not defined.
+  // TODO: find a better place for GetEnvVar.
+  static std::wstring GetEnvVar(const wchar_t* var);
+
+  // Returns the name of the host operating system.
+  static std::string OperatingSystemName();
+
+  // Returns the version of the host operating system.
+  static std::string OperatingSystemVersion();
+
+  // Retrieves detailed numeric values for the OS version.
+  // WARNING: On OS X, this method uses static variables and is not threadsafe
+  // until it's been initialized by being called once without a race.
+  // TODO(port): Implement a Linux version of this method and enable the
+  // corresponding unit test.
+  static void OperatingSystemVersionNumbers(int32_t *major_version,
+                                            int32_t *minor_version,
+                                            int32_t *bugfix_version);
+
+  // Returns the CPU architecture of the system. Exact return value may differ
+  // across platforms.
+  static std::string CPUArchitecture();
+
+  // Returns the pixel dimensions of the primary display via the
+  // width and height parameters.
+  static void GetPrimaryDisplayDimensions(int* width, int* height);
+
+  // Return the number of displays.
+  static int DisplayCount();
+
+  // Return the smallest amount of memory (in bytes) which the VM system will
+  // allocate.
+  static size_t VMAllocationGranularity();
+
+#if defined(OS_MACOSX)
+  // Under the OS X Sandbox, our access to the system is limited, this call
+  // caches the system info on startup before we turn the Sandbox on.
+  // The above functions are all wired up to return the cached value so the rest
+  // of the code can call them in the Sandbox without worrying.
+  static void CacheSysInfo();
+#endif
+};
+
+}  // namespace base
+
+#endif  // BASE_SYS_INFO_H_