Initial commit for Chrome metainstaller on Mac.

chrome/installer/mac/app/systemInfo.m

+// Copyright (c) 2016 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.
+
+#import "systemInfo.h"
+#include <mach-o/arch.h>
+
+@implementation SystemInfo
+
++ (NSString *) getArch {
+  const NXArchInfo *arch = NXGetLocalArchInfo();
+  NSString *archName = [NSString stringWithUTF8String:arch->name];
+  return archName;
+}
+
++ (NSString *) getOSVersion {
+  NSString *versionString = [[NSProcessInfo processInfo]
+                             operatingSystemVersionString];
+  NSString *versionNumber = [[versionString componentsSeparatedByString:@" "]
+                             objectAtIndex:1];
+  return versionNumber;
+}
+@end