Revert of Use setSequentialFocusNavigationStartingPoint in ChromeVox

chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
index 47becb01d34d3b25181f281fea1f75797129fa27..9e13d94a0f782b74c11ef52a903930cb8b62ef3b 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
@@ -573,7 +573,7 @@
   }.bind(this));
 });
 
-TEST_F('BackgroundTest', 'ShouldNotFocusIframe', function() {
+TEST_F('BackgroundTest', 'FocusIframe', function() {
   this.runWithLoadedTree(  function() {/*!
     <iframe tabindex=0 src="data:text/html,<p>Inside</p>"></iframe>
     <button>outside</button>
@@ -585,35 +585,14 @@
     assertEquals('button', button.role);
 
     var didFocus = false;
-    iframe.addEventListener('focus', function() {
+    iframe.focus = function() {
       didFocus = true;
-    });
+    };
     var b = ChromeVoxState.instance;
     b.currentRange_ = cursors.Range.fromNode(button);
     doCmd('previousElement');
     assertFalse(didFocus);
   }.bind(this));
-});
-
-TEST_F('BackgroundTest', 'ShouldFocusLink', function() {
-  this.runWithLoadedTree(  function() {/*!
-    <div><a href="#">mylink</a></div>
-    <button>after</button>
-  */}, function(root) {
-    var link = root.find({role: RoleType.link});
-    var button = root.find({role: RoleType.button});
-
-    assertEquals('link', link.role);
-    assertEquals('button', button.role);
-
-    var didFocus = false;
-    link.addEventListener('focus', this.newCallback(function() {
-      // Success
-    }));
-    var b = ChromeVoxState.instance;
-    b.currentRange_ = cursors.Range.fromNode(button);
-    doCmd('previousElement');
-  });
 });
 
 TEST_F('BackgroundTest', 'NoisySlider', function() {