Inject the prodid for the extensions and component updaters.

chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc

Index: chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc
diff --git a/chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc b/chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc
index eb46484fc7ee568e95101dbacd810476931d6663..378bdf761efaba3a4a19259e63353fda80f71259 100644
--- a/chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc
+++ b/chrome/browser/component_updater/chrome_component_updater_configurator_unittest.cc
@@ -15,6 +15,7 @@
 #include "components/component_updater/configurator_impl.h"
 #include "components/prefs/testing_pref_service.h"
 #include "components/update_client/configurator.h"
+#include "components/update_client/update_query_params.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
@@ -175,4 +176,13 @@ TEST_F(ChromeComponentUpdaterConfiguratorTest, TestEnabledComponentUpdates) {
   EXPECT_TRUE(config->EnabledComponentUpdates());
 }
 
+TEST_F(ChromeComponentUpdaterConfiguratorTest, TestProdId) {
+  base::CommandLine cmdline(*base::CommandLine::ForCurrentProcess());
+  const auto config(MakeChromeComponentUpdaterConfigurator(&cmdline, nullptr,
+                                                           pref_service()));
+  EXPECT_STREQ(update_client::UpdateQueryParams::GetProdIdString(
+                   update_client::UpdateQueryParams::ProdId::CHROME),
+               config->GetProdId().c_str());
+}
+
 }  // namespace component_updater