MD Settings: create a shared handler/browser proxy to control extensions

chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js

Index: chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js
diff --git a/chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js b/chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js
index b70692a609066fc951d4bf8bfade12ec7395dfc2..1590c1f608a8a1e19ac09066c8c37042cf8dd025 100644
--- a/chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js
+++ b/chrome/browser/resources/settings/search_engines_page/search_engines_browser_proxy.js
@@ -68,12 +68,6 @@ cr.define('settings', function() {
      * @return {!Promise<boolean>}
      */
     validateSearchEngineInput: function(fieldName, fieldValue) {},
-
-    /** @param {string} extensionId */
-    disableExtension: function(extensionId) {},
-
-    /** @param {string} extensionId */
-    manageExtension: function(extensionId) {},
   };
 
   /**
@@ -123,16 +117,6 @@ cr.define('settings', function() {
       return cr.sendWithPromise(
           'validateSearchEngineInput', fieldName, fieldValue);
     },
-
-    /** @override */
-    disableExtension: function(extensionId) {
-      chrome.send('disableExtension', [extensionId]);
-    },
-
-    /** @override */
-    manageExtension: function(extensionId) {
-      window.open('chrome://extensions?id=' + extensionId);
-    },
   };
 
   return {