Remove unused EnableAdviewSrcAttribute command line flag.

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

Index: chrome/test/data/extensions/platform_apps/ad_view/src_flag_required/chrometest.js
diff --git a/chrome/test/data/extensions/platform_apps/ad_view/src_flag_required/chrometest.js b/chrome/test/data/extensions/platform_apps/ad_view/src_flag_required/chrometest.js
deleted file mode 100644
index 34c03109b83d339be7bd14b537ed366bcd27affd..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/platform_apps/ad_view/src_flag_required/chrometest.js
+++ /dev/null
@@ -1,34 +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 "src" attribute is ignored when the
-// "kEnableAdviewSrcAttribute" is missing.
-
-function runTests(guestURL) {
-  chrome.test.runTests([
-    function test() {
-      var adview = document.getElementsByTagName("adview")[0];
-
-      adview.setAttribute("src", guestURL);
-
-      // Timeout is necessary to give the mutation observers a chance to fire.
-      // http://lists.w3.org/Archives/Public/public-webapps/2011JulSep/1622.html
-      setTimeout(function() {
-        chrome.test.assertEq("", adview.getAttribute("src"));
-        chrome.test.assertEq(undefined, adview['src']);
-        chrome.test.assertEq(undefined, adview.src);
-        console.log("Properties and attributes are inactive.");
-        chrome.test.succeed();
-      }, 0);
-    }
-  ]);
-}
-
-window.onload = function() {
-  chrome.test.getConfig(function(config) {
-    var guestURL = 'http://localhost:' + config.testServer.port +
-        '/extensions/platform_apps/ad_view/ad_network_site/testsdk.html';
-    runTests(guestURL);
-  });
-}