Convert the external extension ui_test to a browser_test.

chrome/test/data/is_search_provider_installed_with_exception.html

Index: chrome/test/data/is_search_provider_installed_with_exception.html
===================================================================
--- chrome/test/data/is_search_provider_installed_with_exception.html	(revision 132499)
+++ chrome/test/data/is_search_provider_installed_with_exception.html	(working copy)
@@ -20,15 +20,13 @@
 }
 
 function writeResult() {
-  var result = "1";
-  if (passedAll)
+  if (passedAll) {
     logPassed("Everything passed.");
-  else {
+    document.title = "OK";
+  } else {
     logFailed("At least one test failed.");
-    result = " " + document.body.innerText; // Add a space to ensure that the
-					    // result doesn't resemble success.
+    document.title = "FAIL";
   }
-  document.cookie = document.location.hostname + "testResult=" + escape(result);
 }
 
 function MyObject() {