Include the language (locale) info in the update ping

chrome/browser/omaha_query_params/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_OMAHA_QUERY_PARAMS_H_
-#define CHROME_COMMON_OMAHA_QUERY_PARAMS_OMAHA_QUERY_PARAMS_H_
+#ifndef CHROME_BROWSER_OMAHA_QUERY_PARAMS_OMAHA_QUERY_PARAMS_H_
+#define CHROME_BROWSER_OMAHA_QUERY_PARAMS_OMAHA_QUERY_PARAMS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace chrome {
 
 class OmahaQueryParams {
  public:
   enum ProdId {
     CHROME = 0,
     CRX,
   };
 
   // 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.
+  // prod, prodchannel, prodversion, lang.
   static std::string Get(ProdId prod);
 
   // Returns the value we use for the "prod=" parameter. Possible return values
   // include "chrome", "chromecrx", "chromiumcrx", and "unknown".
   static const char* GetProdIdString(chrome::OmahaQueryParams::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();
+  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();
+  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();
+  static const char* GetNaclArch();
 
   // Returns the value we use for the "updaterchannel=" and "prodchannel="
   // parameters. Possible return values include: "canary", "dev", "beta", and
   // "stable".
   static const char* GetChannelString();
 
+  // Returns the language for the present locale. Possible return values are
+  // standard tags for languages, such as "en", "en-US", "de", "fr", "af", etc.
+  static const char* GetLang();
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(OmahaQueryParams);
 };
 
 }  // namespace chrome
 
-#endif  // CHROME_COMMON_OMAHA_QUERY_PARAMS_OMAHA_QUERY_PARAMS_H_
+#endif  // CHROME_BROWSER_OMAHA_QUERY_PARAMS_OMAHA_QUERY_PARAMS_H_