<extensionoptions>: Remove dead code

chrome/renderer/resources/extensions/extension_options_events.js

Index: chrome/renderer/resources/extensions/extension_options_events.js
diff --git a/chrome/renderer/resources/extensions/extension_options_events.js b/chrome/renderer/resources/extensions/extension_options_events.js
index 7ba2d05827d1dedd2c6226e30bc1b951fe1386fe..590d48aeea3d915b055e046621747de7e54a6474 100644
--- a/chrome/renderer/resources/extensions/extension_options_events.js
+++ b/chrome/renderer/resources/extensions/extension_options_events.js
@@ -26,11 +26,6 @@ ExtensionOptionsEvents.EVENTS = {
   'load': {
     evt: CreateEvent('extensionOptionsInternal.onLoad')
   },
-  'sizechanged': {
-    evt: CreateEvent('extensionOptionsInternal.onSizeChanged'),
-    handler: 'handleSizeChangedEvent',
-    fields:['newWidth', 'newHeight', 'oldWidth', 'oldHeight']
-  },
   'preferredsizechanged': {
     evt: CreateEvent('extensionOptionsInternal.onPreferredSizeChanged'),
     fields:['width', 'height']
@@ -41,13 +36,5 @@ ExtensionOptionsEvents.prototype.getEvents = function() {
   return ExtensionOptionsEvents.EVENTS;
 };
 
-ExtensionOptionsEvents.prototype.handleSizeChangedEvent = function(event,
-                                                                   eventName) {
-  this.view.onSizeChanged(
-      event.newWidth, event.newHeight, event.oldWidth, event.oldHeight);
-  var extensionOptionsEvent = this.makeDomEvent(event, eventName);
-  this.view.dispatchEvent(extensionOptionsEvent);
-}
-
 // Exports.
 exports.ExtensionOptionsEvents = ExtensionOptionsEvents;