Move wm/core to wm namespace.

ui/wm/core/transient_window_stacking_client_unittest.cc

Index: ui/wm/core/transient_window_stacking_client_unittest.cc
diff --git a/ui/wm/core/transient_window_stacking_client_unittest.cc b/ui/wm/core/transient_window_stacking_client_unittest.cc
index c05520ba9f8a120aefc468f4918390452981a538..c5d3bd05319d17e1faa0f534924f467e1f263281 100644
--- a/ui/wm/core/transient_window_stacking_client_unittest.cc
+++ b/ui/wm/core/transient_window_stacking_client_unittest.cc
@@ -14,8 +14,7 @@ using aura::test::ChildWindowIDsAsString;
 using aura::test::CreateTestWindowWithId;
 using aura::Window;
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 class TransientWindowStackingClientTest : public aura::test::AuraTestBase {
  public:
@@ -213,5 +212,4 @@ TEST_F(TransientWindowStackingClientTest,
             ui::test::ChildLayerNamesAsString(*root_window()->layer()));
 }
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm