Generates Chromecast User-Agent string from current Chromium version.

chromecast/shell/common/cast_content_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/shell/common/cast_content_client.h"
 
+#include "chromecast/common/version.h"
 #include "content/public/common/user_agent.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace chromecast {
 namespace shell {
 
-// TODO(lcwu): http://crbug.com/391080. Create the actual Chromecast
-// product version string and hook it up here.
-#define PRODUCT_VERSION "0.0.0.0"
-
 std::string GetUserAgent() {
   std::string product = "Chrome/" PRODUCT_VERSION;
-  return content::BuildUserAgentFromProduct(product);
+  return content::BuildUserAgentFromProduct(product) + " CrKey";
 }
 
 CastContentClient::~CastContentClient() {
 }
 
 std::string CastContentClient::GetUserAgent() const {
   return chromecast::shell::GetUserAgent();
 }
 
 base::string16 CastContentClient::GetLocalizedString(int message_id) const {
@@ skipping 13 matching lines @@
       resource_id);
 }
 
 gfx::Image& CastContentClient::GetNativeImageNamed(int resource_id) const {
   return ui::ResourceBundle::GetSharedInstance().GetNativeImageNamed(
       resource_id);
 }
 
 }  // namespace shell
 }  // namespace chromecast