Add events tests for inputText in IME test

content/test/data/android/input/input_forms.html

Index: content/test/data/android/input/input_forms.html
diff --git a/content/test/data/android/input/input_forms.html b/content/test/data/android/input/input_forms.html
index 6e1c35147391812b4c242a5985b09aed3fb1c505..2533fa5436d7543277a882fd167761330af9efe1 100644
--- a/content/test/data/android/input/input_forms.html
+++ b/content/test/data/android/input/input_forms.html
@@ -31,7 +31,7 @@ var mutationObserver = new MutationObserver(function(mutations) {
   });
 })
 
-var mutationConfig = { attributes: false, childList: false, chracterData: true };
+var mutationConfig = { attributes: false, childList: false, characterData: true };
 
 function addEventLog(type, detail) {
   if (log.length > 0) {
@@ -48,6 +48,10 @@ function getEventLogs() {
   return log;
 }
 
+function clearEventLogs() {
+  log = '';
+}
+
 function addEventListener(element, event_name) {
   element.addEventListener(event_name, function (e) { addEventLog(event_name, e.data); });
 }
@@ -56,7 +60,7 @@ function addKeyEventListener(element, event_name) {
   element.addEventListener(event_name, function (e) { addEventLog(event_name, e.keyCode); });
 }
 
-function addSelectionEventListener(element, event_name) {
+function addSelectionEventListener(event_name) {
   // Note that listeners added to the element are not effective for now.
   document.addEventListener(event_name, function (e) { addEventLog(event_name, e.data); });
 }
@@ -73,12 +77,16 @@ function registerListenersAndObserver(element) {
   addEventListener(element, "select");
   addEventListener(element, "change");
   addEventListener(element, "input");
-  addSelectionEventListener(element, "selectionchange");
   mutationObserver.observe(element, mutationConfig);
 }
 
+var inputText = document.getElementById("input_text");
 var contenteditableEvent = document.getElementById("contenteditable_event");
 
+// SelectionEventListener should be outside registerListenersAndObserver() to avoid duplication.
+addSelectionEventListener("selectionchange");
+
+registerListenersAndObserver(inputText);
 registerListenersAndObserver(contenteditableEvent);
     </script>