Remove unused chrome.send's in Accessibility settings

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index 1b36e91a2f81fb48d24f2b7212e2cdbb4754ded8..7b47105db66f49a2609bff0b8239d2b42d2b0a6f 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -642,20 +642,10 @@ cr.define('options', function() {
         $('accessibility-settings-button').onclick = function(unused_event) {
           window.open(loadTimeData.getString('accessibilitySettingsURL'));
         };
-        $('accessibility-spoken-feedback-check').onchange = function(
-            unused_event) {
-          chrome.send('spokenFeedbackChange',
-                      [$('accessibility-spoken-feedback-check').checked]);
-          updateAccessibilitySettingsButton();
-        };
+        $('accessibility-spoken-feedback-check').onchange =
+            updateAccessibilitySettingsButton;
         updateAccessibilitySettingsButton();
 
-        $('accessibility-high-contrast-check').onchange = function(
-            unused_event) {
-          chrome.send('highContrastChange',
-                      [$('accessibility-high-contrast-check').checked]);
-        };
-
         var updateDelayDropdown = function() {
           $('accessibility-autoclick-dropdown').disabled =
               !$('accessibility-autoclick-check').checked;