Fix examples which uses typo function.

BUG=

Review URL: https://chromiumcodereview.appspot.com/23452019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221581 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/docs/templates/intros/input_ime.html

@@ -25,7 +25,7 @@ chrome.input.ime.onFocus.addListener(function(context) {
   context_id = context.contextID;
 });
 
-chrome.input.ime.onKeyEventAsync.addListener(
+chrome.input.ime.onKeyEvent.addListener(
   function(engineID, keyData) {
     if (keyData.type == "keydown" && keyData.key.match(/^[a-z]$/)) {
       chrome.input.ime.commitText({"contextID": context_id,