Add chrome version information to extension update checks

chrome/browser/extensions/updater/manifest_fetch_data.cc

Index: chrome/browser/extensions/updater/manifest_fetch_data.cc
diff --git a/chrome/browser/extensions/updater/manifest_fetch_data.cc b/chrome/browser/extensions/updater/manifest_fetch_data.cc
index 99e718f90b3e08c953a415ef34c66a9c1a933568..bc0c291b27aa85e60eb8c30ec13bee45746b738b 100644
--- a/chrome/browser/extensions/updater/manifest_fetch_data.cc
+++ b/chrome/browser/extensions/updater/manifest_fetch_data.cc
@@ -12,6 +12,7 @@
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/metrics/metrics_service.h"
+#include "chrome/common/omaha_query_params.h"
 #include "net/base/escape.h"
 
 namespace {
@@ -27,6 +28,14 @@ namespace extensions {
 ManifestFetchData::ManifestFetchData(const GURL& update_url, int request_id)
     : base_url_(update_url),
       full_url_(update_url) {
+#if defined(GOOGLE_CHROME_BUILD)
+  std::string prod = "chromecrx";
+#else
+  std::string prod = "chromiumcrx";
+#endif
+  full_url_ = GURL(full_url_.possibly_invalid_spec() +
+                   (full_url_.has_query() ? "&" : "?") +
+                   chrome::GetOmahaQueryParams(prod));
   request_ids_.insert(request_id);
 }