Add nacl_arch to data we send in omaha update checks for extensions/components

chrome/common/omaha_query_params.h

 // Copyright 2013 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 CHROME_COMMON_OMAHA_QUERY_PARAMS_H_
 #define CHROME_COMMON_OMAHA_QUERY_PARAMS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace chrome {
 
 class OmahaQueryParams {
  public:
   enum ProdId {
     CHROME = 0,
     CHROMECRX,
     CHROMIUMCRX,
   };
 
   // Generates a string of URL query paramaters to be used when getting
   // component and extension updates. Includes the following fields: os, arch,
   // prod, prodchannel, prodversion.
   static std::string Get(ProdId prod);
 
+  // Returns the value we use for the "os=" parameter. Possible return values
+  // include: "mac", "win", "android", "cros", "linux", and "openbsd".
+  static const char* getOS();
+
+  // Returns the value we use for the "arch=" parameter. Possible return values
+  // include: "x86", "x64", and "arm".
+  static const char* getArch();
+
+  // Returns the value we use for the "nacl_arch" parameter. Note that this may
+  // be different from the "arch" parameter above (e.g. one may be 32-bit and
+  // the other 64-bit). Possible return values include: "x86-32", "x86-64",
+  // "arm", and "mips32".
+  static const char* getNaclArch();
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(OmahaQueryParams);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_OMAHA_QUERY_PARAMS_H_