Inject the prodid for the extensions and component updaters.

components/update_client/update_checker_unittest.cc

Index: components/update_client/update_checker_unittest.cc
diff --git a/components/update_client/update_checker_unittest.cc b/components/update_client/update_checker_unittest.cc
index 19592c5866a5473dfd8760cf4e34c9364c53642b..b914e848e8d15d92beb74cf4f380937c95ffbdfa 100644
--- a/components/update_client/update_checker_unittest.cc
+++ b/components/update_client/update_checker_unittest.cc
@@ -204,6 +204,11 @@ TEST_F(UpdateCheckerTest, UpdateCheckSuccess) {
   EXPECT_NE(string::npos,
             post_interceptor_->GetRequests()[0].find("<hw physmemory="));
 
+  // Tests that the progid is injected correctly from the configurator.
+  EXPECT_NE(string::npos,
+            post_interceptor_->GetRequests()[0].find(
+                " version=\"fake_prodid-30.0\" prodversion=\"30.0\" "));
+
   // Sanity check the arguments of the callback after parsing.
   EXPECT_EQ(0, error_);
   EXPECT_EQ(1ul, results_.list.size());