Add a scoper object for URLFetcher::Factory

chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc

Index: chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc
diff --git a/chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc b/chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc
index fc191a889a5bc1df4cbbec035f0e6e8d3040882b..3924095870f3bf938448b6293954fd6821a96c94 100644
--- a/chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc
+++ b/chrome/browser/policy/enterprise_metrics_enrollment_browsertest.cc
@@ -12,7 +12,7 @@
 #include "chrome/browser/policy/enterprise_metrics.h"
 #include "chrome/common/net/gaia/gaia_constants.h"
 #include "chrome/common/net/gaia/google_service_auth_error.h"
-#include "content/common/test_url_fetcher_factory.h"
+#include "content/test/test_url_fetcher_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
@@ -36,9 +36,6 @@ class EnterpriseMetricsEnrollmentTest : public WizardInProcessBrowserTest {
 
     ASSERT_TRUE(controller() != NULL);
 
-    // Use mock URLFetchers.
-    URLFetcher::set_factory(&factory_);
-
     screen_ = controller()->GetEnterpriseEnrollmentScreen();
 
     ASSERT_TRUE(screen_ != NULL);