chromeos: convert remaining AshTest usage to AshTestBase
And remove the now unused test related classes.
BUG=707057
TEST=test only changes
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Review-Url: https://codereview.chromium.org/2847283002
Cr-Commit-Position: refs/heads/master@{#468352}
diff --git a/ash/window_user_data_unittest.cc b/ash/window_user_data_unittest.cc
index a76d9a1..9607f59 100644
--- a/ash/window_user_data_unittest.cc
+++ b/ash/window_user_data_unittest.cc
@@ -6,7 +6,7 @@
#include <memory>
-#include "ash/test/ash_test.h"
+#include "ash/test/ash_test_base.h"
#include "ash/window_user_data.h"
#include "base/memory/ptr_util.h"
#include "ui/aura/window.h"
@@ -30,7 +30,7 @@
} // namespace
-using WindowUserDataTest = AshTest;
+using WindowUserDataTest = test::AshTestBase;
// Verifies clear() deletes the data associated with a window.
TEST_F(WindowUserDataTest, ClearDestroys) {
