cros: Maybe fix recent failures on trunk.

BUG=129075
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10399134

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@138381 0039d316-1c4b-4281-b951-d872f2087c98

content/test/test_renderer_host.cc

@@ -148,6 +148,7 @@ void RenderViewHostTestHarness::TearDown() {
 #if defined(USE_AURA)
   test_stacking_client_.reset();
   root_window_.reset();
+  aura::Env::DeleteInstance();
 #endif
 
   // Make sure that we flush any messages related to WebContentsImpl destruction

ui/views/test/views_test_base.cc

@@ -66,6 +66,7 @@ void ViewsTestBase::TearDown() {
   test_stacking_client_.reset();
   test_activation_client_.reset();
   root_window_.reset();
+  aura::Env::DeleteInstance();
 #endif
 }