Send the value of google_brand::GetBrand in component update checks.

chrome/browser/extensions/updater/chrome_update_client_config.cc

Index: chrome/browser/extensions/updater/chrome_update_client_config.cc
diff --git a/chrome/browser/extensions/updater/chrome_update_client_config.cc b/chrome/browser/extensions/updater/chrome_update_client_config.cc
index d68ce225a3c31dd701d61efc27d2aa0aef6d0144..9dcb208910edad3ab3f2fba3d05b9e1b6be3fa0c 100644
--- a/chrome/browser/extensions/updater/chrome_update_client_config.cc
+++ b/chrome/browser/extensions/updater/chrome_update_client_config.cc
@@ -6,6 +6,7 @@
 #include "base/version.h"
 #include "chrome/browser/component_updater/component_patcher_operation_out_of_process.h"
 #include "chrome/browser/extensions/updater/chrome_update_client_config.h"
+#include "chrome/browser/google/google_brand.h"
 #include "chrome/browser/update_client/chrome_update_query_params_delegate.h"
 #include "chrome/common/channel_info.h"
 #include "content/public/browser/browser_context.h"
@@ -54,6 +55,12 @@ std::string ChromeUpdateClientConfig::GetChannel() const {
   return chrome::GetChannelString();
 }
 
+std::string ChromeUpdateClientConfig::GetBrand() const {
+  std::string brand;
+  google_brand::GetBrand(&brand);
+  return brand;
+}
+
 std::string ChromeUpdateClientConfig::GetLang() const {
   return ChromeUpdateQueryParamsDelegate::GetLang();
 }