Focus kept on login screen.

chrome/test/base/view_event_test_base.cc

Index: chrome/test/base/view_event_test_base.cc
diff --git a/chrome/test/base/view_event_test_base.cc b/chrome/test/base/view_event_test_base.cc
index 62a7b4e7607bc90cf74818a74e4191e5c9f8d79c..682f26048eb8048e04a151b6b3ee34fed43829b7 100644
--- a/chrome/test/base/view_event_test_base.cc
+++ b/chrome/test/base/view_event_test_base.cc
@@ -20,6 +20,7 @@
 
 #if defined(USE_ASH)
 #include "ash/shell.h"
+#include "ash/test/test_session_state_delegate.h"
 #include "ash/test/test_shell_delegate.h"
 #endif
 
@@ -108,7 +109,11 @@ void ViewEventTestBase::SetUp() {
 #if defined(OS_CHROMEOS)
   chromeos::CrasAudioHandler::InitializeForTesting();
 #endif
-  ash::Shell::CreateInstance(new ash::test::TestShellDelegate());
+  ash::test::TestShellDelegate* shell_delegate =
+      new ash::test::TestShellDelegate();
+  ash::Shell::CreateInstance(shell_delegate);
+  shell_delegate->test_session_state_delegate()
+      ->SetActiveUserSessionStarted(true);
   context = ash::Shell::GetPrimaryRootWindow();
 #endif
 #elif defined(USE_AURA)