Added "lang" attribute to the component updater update requests.

chrome/browser/component_updater/test/component_updater_service_unittest.cc

Index: chrome/browser/component_updater/test/component_updater_service_unittest.cc
diff --git a/chrome/browser/component_updater/test/component_updater_service_unittest.cc b/chrome/browser/component_updater/test/component_updater_service_unittest.cc
index 614f1b00fbd925588613d3aac91648a21d337692..a08ad224493c626f768edfabb3797acf3bd14685 100644
--- a/chrome/browser/component_updater/test/component_updater_service_unittest.cc
+++ b/chrome/browser/component_updater/test/component_updater_service_unittest.cc
@@ -490,6 +490,13 @@ TEST_F(ComponentUpdaterTest, InstallCrx) {
   EXPECT_NE(string::npos, elements[1].find(" prodchannel="));
   EXPECT_NE(string::npos, elements[1].find(" prodversion="));
 
+  // Look for additional attributes of the request, such as |version|,
+  // |requestid|, |lang|, and |nacl_arch|.
+  EXPECT_NE(string::npos, elements[1].find(" version="));
+  EXPECT_NE(string::npos, elements[1].find(" requestid="));
+  EXPECT_NE(string::npos, elements[1].find(" lang="));
+  EXPECT_NE(string::npos, elements[1].find(" nacl_arch="));
+
   component_updater()->Stop();
 }