[Hotword] Hotword and Audio History settings should reflect sync sign in

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 6cd7245380864daf316a1121434b3a04fa3fa538..cbf030da8d9bc2a2ed7fea55ab716a3270d60296 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -539,12 +539,12 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
   values->SetString("hotwordManageAudioHistoryURL",
                     chrome::kManageAudioHistoryURL);
 
-  Profile* profile = Profile::FromWebUI(web_ui());
 #if defined(OS_CHROMEOS)
+  Profile* profile = Profile::FromWebUI(web_ui());
   std::string username = profile->GetProfileName();
   if (username.empty()) {
     user_manager::User* user =
-      chromeos::ProfileHelper::Get()->GetUserByProfile(profile);
+        chromeos::ProfileHelper::Get()->GetUserByProfile(profile);
     if (user && (user->GetType() != user_manager::USER_TYPE_GUEST))
       username = user->email();
   }
@@ -554,21 +554,6 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
   values->SetString("username", username);
 #endif
 
-  base::string16 user_email;
-  // If the profile is a guest session, it will not be found in the cache.
-  // In that case, just set the value with an empty string for the email since
-  // it won't be displayed anyways for a guest profile.
-  if (!profile->IsGuestSession()) {
-    ProfileInfoCache& cache =
-        g_browser_process->profile_manager()->GetProfileInfoCache();
-    user_email = cache.GetUserNameOfProfileAtIndex(
-        cache.GetIndexOfProfileWithPath(profile->GetPath()));
-  }
-  values->SetString(
-      "hotwordAudioHistoryEnabled",
-      l10n_util::GetStringFUTF16(IDS_HOTWORD_AUDIO_HISTORY_ENABLED,
-                                 user_email));
-
   // Pass along sync status early so it will be available during page init.
   values->Set("syncData", GetSyncStateDictionary().release());
 
@@ -1214,8 +1199,9 @@ void BrowserOptionsHandler::OnTemplateURLServiceChanged() {
   } else {
     // If the user has chosen a default search provide other than Google, turn
     // off hotwording since other providers don't provide that functionality.
-    web_ui()->CallJavascriptFunction("BrowserOptions.setHotwordSectionVisible",
-                                     base::FundamentalValue(false));
+    web_ui()->CallJavascriptFunction(
+        "BrowserOptions.setAllHotwordSectionsVisible",
+        base::FundamentalValue(false));
     HotwordService* hotword_service =
         HotwordServiceFactory::GetForProfile(Profile::FromWebUI(web_ui()));
     if (hotword_service)
@@ -1566,6 +1552,13 @@ void BrowserOptionsHandler::OnConsumerManagementStatusChanged() {
 void BrowserOptionsHandler::UpdateSyncState() {
   web_ui()->CallJavascriptFunction("BrowserOptions.updateSyncState",
                                    *GetSyncStateDictionary());
+
+  // A change in sign-in state also affects how hotwording and audio history are
+  // displayed. Hide all hotwording and re-display properly.
+  web_ui()->CallJavascriptFunction(
+      "BrowserOptions.setAllHotwordSectionsVisible",
+      base::FundamentalValue(false));
+  HandleRequestHotwordAvailable(nullptr);
 }
 
 void BrowserOptionsHandler::OnSigninAllowedPrefChange() {
@@ -1686,8 +1679,11 @@ void BrowserOptionsHandler::HandleRequestHotwordAvailable(
 
     std::string function_name;
     bool always_on = false;
+    SigninManagerBase* signin = SigninManagerFactory::GetForProfile(profile);
+    bool authenticated = signin && signin->IsAuthenticated();
     if (HotwordService::IsExperimentalHotwordingEnabled()) {
-      if (HotwordServiceFactory::IsHotwordHardwareAvailable()) {
+      if (HotwordServiceFactory::IsHotwordHardwareAvailable() &&
+          authenticated) {
         function_name = "BrowserOptions.showHotwordAlwaysOnSection";
         always_on = true;
         // Show the retrain link if always-on is enabled.
@@ -1705,12 +1701,21 @@ void BrowserOptionsHandler::HandleRequestHotwordAvailable(
     }
 
     // Audio history should be displayed if it's enabled regardless of the
-    // hotword error state. An additional message is displayed if always-on
-    // hotwording is enabled.
+    // hotword error state if the user is signed in. If the user is not signed
+    // in, audio history is meaningless. An additional message is displayed if
+    // always-on hotwording is enabled.
     if (profile->GetPrefs()->GetBoolean(prefs::kHotwordAudioLoggingEnabled) &&
-        HotwordService::IsExperimentalHotwordingEnabled()) {
+        HotwordService::IsExperimentalHotwordingEnabled() &&
+        authenticated) {
+      std::string user_display_name = signin->GetAuthenticatedUsername();
+      DCHECK(!user_display_name.empty());
+
+      base::string16 audio_history_state =
+          l10n_util::GetStringFUTF16(IDS_HOTWORD_AUDIO_HISTORY_ENABLED,
+                                     base::ASCIIToUTF16(user_display_name));
       web_ui()->CallJavascriptFunction("BrowserOptions.showAudioHistorySection",
-                                       base::FundamentalValue(always_on));
+                                       base::FundamentalValue(always_on),
+                                       base::StringValue(audio_history_state));
     }
 
     if (!error) {