Fine tuned availability of hotword plugin.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index 5be4f546fee5583b6d09a5880da2d90686fcdcbf..7e2f42aca142cd6782926ff957c2c2810a8b5b7d 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -379,6 +379,7 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
       IDS_OPTIONS_SETTINGS_ACCESSIBILITY_AUTOCLICK_DELAY_VERY_LONG },
     { "enableContentProtectionAttestation",
       IDS_OPTIONS_ENABLE_CONTENT_PROTECTION_ATTESTATION },
+    { "enableHotwordAppList", IDS_OPTIONS_ENABLE_HOTWORD_APP_LIST },
     { "factoryResetHeading", IDS_OPTIONS_FACTORY_RESET_HEADING },
     { "factoryResetTitle", IDS_OPTIONS_FACTORY_RESET },
     { "factoryResetRestart", IDS_OPTIONS_FACTORY_RESET_BUTTON },
@@ -867,13 +868,16 @@ void BrowserOptionsHandler::InitializePage() {
         "BrowserOptions.enableFactoryResetSection");
   }
 
+  Profile* profile = Profile::FromWebUI(web_ui());
   OnAccountPictureManagedChanged(
-      policy::ProfilePolicyConnectorFactory::GetForProfile(
-          Profile::FromWebUI(web_ui()))->
+      policy::ProfilePolicyConnectorFactory::GetForProfile(profile)->
           policy_service()->GetPolicies(
               policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME,
                                       std::string()))
              .Get(policy::key::kUserAvatarImage));
+
+  if (HotwordService::DoesHotwordSupportLanguage(profile))
+    web_ui()->CallJavascriptFunction("BrowserOptions.showAppListHotword");

[Evan Stade, 2014/02/11 18:54:12]

you should do this in GetLocalizedValues (like the sync setup) and not call a JS
function, but set some variable for the page to read. This way it doesn't jiggle
after resources load but before page init.

[Jun Mukai, 2014/02/11 19:27:38]

Done.

 #endif
 }