Remove unused EnableAdviewSrcAttribute command line flag.

chrome/test/data/extensions/platform_apps/ad_view/loadabort_event/chrometest.js

Index: chrome/test/data/extensions/platform_apps/ad_view/loadabort_event/chrometest.js
diff --git a/chrome/test/data/extensions/platform_apps/ad_view/loadabort_event/chrometest.js b/chrome/test/data/extensions/platform_apps/ad_view/loadabort_event/chrometest.js
deleted file mode 100644
index afb362daff0841a582699aefde5adce6303d9e90..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/platform_apps/ad_view/loadabort_event/chrometest.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This test checks the "loadabort" event is called when the "src" attribute
-// of an <adview> is an invalid URL.
-
-function runTests(guestURL) {
-  chrome.test.runTests([
-    function test() {
-      var adview = document.getElementsByTagName("adview")[0];
-
-      adview.addEventListener("loadabort", function(event) {
-        var url = event.url;
-        var isTopLevel = event.isTopLevel;
-        chrome.test.assertEq(guestURL, url);
-        chrome.test.assertEq(true, isTopLevel);
-        console.log("loadabort event called: url=" + url);
-        chrome.test.succeed();
-      })
-
-      adview.setAttribute("src", guestURL);
-    }
-  ]);
-}
-
-window.onload = function() {
-  chrome.test.getConfig(function(config) {
-    var guestURL = 'http://255.255.255.255/fake_file.html';
-    runTests(guestURL);
-  });
-}