Fix android webview unit tests to dispatch correct click event.

android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java b/android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java
index 2e053969c5e160f57a387d255bc54aea0255879b..306be04687e7d03ee9ff5eaba1d10aae9d851bd6 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/util/JSUtils.java
@@ -48,8 +48,7 @@ public class JSUtils {
             @Override
             public void run() {
                 awContents.getWebContents().evaluateJavaScriptForTests(
-                        "var evObj = document.createEvent('Events'); "
-                                + "evObj.initEvent('click', true, false); "
+                        "var evObj = new MouseEvent('click', {bubbles: true});"
                                 + "document.getElementById('" + linkId + "').dispatchEvent(evObj);"
                                 + "console.log('element with id [" + linkId + "] clicked');",
                         null);