Add ARC version to help and version pages

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index 115d923f0a313319309d276d0edfccc4bad56c46..0db3e352833b9aa450535110bde2b0238eb3ba2d 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -253,6 +253,7 @@ void HelpHandler::GetLocalizedValues(base::DictionaryValue* localized_strings) {
     {"reportAnIssue", IDS_REPORT_AN_ISSUE},
 #if defined(OS_CHROMEOS)
     {"platform", IDS_PLATFORM_LABEL},
+    {"arcVersion", IDS_ARC_VERSION_LABEL},
     {"firmware", IDS_ABOUT_PAGE_FIRMWARE},
     {"showMoreInfo", IDS_SHOW_MORE_INFO},
     {"hideMoreInfo", IDS_HIDE_MORE_INFO},
@@ -476,6 +477,12 @@ void HelpHandler::OnPageLoaded(const base::ListValue* args) {
   base::PostTaskAndReplyWithResult(
       content::BrowserThread::GetBlockingPool(),
       FROM_HERE,
+      base::Bind(&chromeos::version_loader::GetARCVersion),
+      base::Bind(&HelpHandler::OnARCVersion,
+                 weak_factory_.GetWeakPtr()));
+  base::PostTaskAndReplyWithResult(
+      content::BrowserThread::GetBlockingPool(),
+      FROM_HERE,
       base::Bind(&chromeos::version_loader::GetFirmware),
       base::Bind(&HelpHandler::OnOSFirmware,
                  weak_factory_.GetWeakPtr()));
@@ -690,6 +697,11 @@ void HelpHandler::OnOSVersion(const std::string& version) {
                                    base::StringValue(version));
 }
 
+void HelpHandler::OnARCVersion(const std::string& firmware) {
+  web_ui()->CallJavascriptFunction("help.HelpPage.setARCVersion",
+                                   base::StringValue(firmware));
+}
+
 void HelpHandler::OnOSFirmware(const std::string& firmware) {
   web_ui()->CallJavascriptFunction("help.HelpPage.setOSFirmware",
                                    base::StringValue(firmware));