[Hotword] Remove unneeded preferences. Cleaning up look of settings.

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 d3b50414223adc40b74ed3c7d80a27ed7374fee3..806c700b79b8da7cb307de37f04e3b0e38188e58 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -45,6 +45,8 @@
 #include "chrome/browser/profiles/profile_shortcut_manager.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/profiles/profiles_state.h"
+#include "chrome/browser/search/hotword_service.h"
+#include "chrome/browser/search/hotword_service_factory.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
@@ -259,10 +261,6 @@ void BrowserOptionsHandler::GetLocalizedValues(base::DictionaryValue* values) {
     { "homePageUseNewTab", IDS_OPTIONS_HOMEPAGE_USE_NEWTAB },
     { "homePageUseURL", IDS_OPTIONS_HOMEPAGE_USE_URL },
     { "hotwordSearchDescription", IDS_HOTWORD_SEARCH_PREF_DESCRIPTION },
-    { "hotwordSearchIncognito", IDS_HOTWORD_SEARCH_INCOGNITO_PREF_CHKBOX },
-    { "hotwordSearchTimeout", IDS_HOTWORD_SEARCH_TIMEOUT_PREF_CHKBOX },
-    { "hotwordSearchTimeoutDescription",
-      IDS_HOTWORD_SEARCH_TIMEOUT_PREF_DESCRIPTION },
     { "importData", IDS_OPTIONS_IMPORT_DATA_BUTTON },
     { "improveBrowsingExperience", IDS_OPTIONS_IMPROVE_BROWSING_EXPERIENCE },
     { "languageAndSpellCheckSettingsButton",
@@ -1526,17 +1524,13 @@ void BrowserOptionsHandler::RemoveCloudPrintConnectorSection() {
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(ENABLE_FULL_PRINTING)
 
-void BrowserOptionsHandler::SendHotwordAvailable() {
+void BrowserOptionsHandler::HandleRequestHotwordAvailable(
+    const base::ListValue* args) {
   std::string group = base::FieldTrialList::FindFullName("VoiceTrigger");
   if (group != "" && group != "Disabled")
     web_ui()->CallJavascriptFunction("BrowserOptions.showHotwordSection");
 }
 
-void BrowserOptionsHandler::HandleRequestHotwordAvailable(
-    const base::ListValue* args) {
-  SendHotwordAvailable();
-}
-
 #if defined(OS_CHROMEOS)
 void BrowserOptionsHandler::HandleOpenWallpaperManager(
     const base::ListValue* args) {