Improve activity log ad metrics

chrome/test/data/extensions/activity_log/ad_injection/content_script.js

 // Copyright 2014 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 file contains the tests for detecting extension's ad injection in
 // Chrome. This contains many different, independent tests, but it is all run
 // as a "single" browser test. The reason for this is that we want to do many
 // short tests for ad injection, and the set-up/tear-down time for a browsertest
 // implementation of each would be prohibitive.
 // See also chrome/browser/extensions/activity_log/ad_injection_browsertest.cc
@@ skipping 291 matching lines @@
   document.body.appendChild(getAnchorAd());
   return INJECTION_NEW_AD;
 });
 
 functions.push(function NewAnchorLikelyAd() {
   var anchor = document.createElement('a');
   document.body.appendChild(anchor).href = kMaybeAdNetwork;
   return INJECTION_LIKELY_NEW_AD;
 });
 
+// Test that an extension adding an element is not considered likely ad
+// injection if the element has a local resource.
+functions.push(function LocalResourceNotConsideredAd() {
+  var anchor = document.createElement('a');
+  document.body.appendChild(anchor).href = chrome.extension.getURL('foo.html');
+  return NO_AD_INJECTION;
+});
+
+// Test that an extension adding an element with the same host as the current
+// page is not considered ad injection.
+functions.push(function SamePageUrlNotConsideredAd() {
+  var anchor = document.createElement('a');
+  // This source is something like 'http://127.0.0.1:49725/foo.html'.
+  document.body.appendChild(anchor).href = document.URL + 'foo.html';
+  return NO_AD_INJECTION;
+});
+
+
 functions.push(function ModifyExistingAnchorToAdNetwork() {
   var anchor = $('non-ad-anchor');
   anchor.href = kAdNetwork;
   return INJECTION_NEW_AD;
 });
 
 // Add a new element which has a nested ad, to ensure we do a deep check of
 // elements appended to the dom.
 functions.push(function NewNestedAd() {
   document.body.appendChild(getNestedAd());
@@ skipping 44 matching lines @@
   });
   return NO_AD_INJECTION;
 });
 
 // TODO(rdevlin.cronin): We are not covering every case yet. Fix this.
 // See crbug.com/357204.
 
 // Kick off the tests.
 var test = new AdInjectorTest(functions);
 test.runNextFunction();