Get rid of extensions dependency from content\browser.

BUG=76789
Review URL: http://codereview.chromium.org/6693054

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@80315 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/extension_startup_browsertest.cc b/chrome/browser/extensions/extension_startup_browsertest.cc
index 129e1845..e139365 100644
--- a/chrome/browser/extensions/extension_startup_browsertest.cc
+++ b/chrome/browser/extensions/extension_startup_browsertest.cc
@@ -78,6 +78,8 @@
     // TODO(phajdan.jr): Check return values of the functions below, carefully.
     file_util::Delete(user_scripts_dir_, true);
     file_util::Delete(extensions_dir_, true);
+
+    InProcessBrowserTest::TearDown();
   }
 
   void WaitForServicesToStart(int num_expected_extensions,