Inject the prodid for the extensions and component updaters.

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 cd0ef215ba877f2c1cd184cdf6169f1f27b7b5a5..11690a85f34d220acae7703a28d47967f781000d 100644
--- a/chrome/browser/extensions/updater/chrome_update_client_config.cc
+++ b/chrome/browser/extensions/updater/chrome_update_client_config.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/update_client/chrome_update_query_params_delegate.h"
 #include "chrome/common/channel_info.h"
 #include "components/prefs/pref_service.h"
+#include "components/update_client/update_query_params.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/storage_partition.h"
 
@@ -52,6 +53,11 @@ std::vector<GURL> ChromeUpdateClientConfig::PingUrl() const {
   return impl_.PingUrl();
 }
 
+std::string ChromeUpdateClientConfig::GetProdId() const {
+  return update_client::UpdateQueryParams::GetProdIdString(
+      update_client::UpdateQueryParams::ProdId::CRX);
+}
+
 base::Version ChromeUpdateClientConfig::GetBrowserVersion() const {
   return impl_.GetBrowserVersion();
 }