Move wm/core to wm namespace.

ash/test/ash_test_helper.h

Index: ash/test/ash_test_helper.h
diff --git a/ash/test/ash_test_helper.h b/ash/test/ash_test_helper.h
index 706cfeb520de35a27f2a389902ef4e3e1133cc72..a1974cb3d5a93fb1952d5b8f52aa4a488cbf8abc 100644
--- a/ash/test/ash_test_helper.h
+++ b/ash/test/ash_test_helper.h
@@ -20,11 +20,9 @@ namespace ui {
 class ScopedAnimationDurationScaleMode;
 }  // namespace ui
 
-namespace views {
-namespace corewm {
+namespace wm {
 class WMState;
 }
-}
 
 namespace ash {
 namespace test {
@@ -68,7 +66,7 @@ class AshTestHelper {
   // Owned by ash::AcceleratorController
   TestScreenshotDelegate* test_screenshot_delegate_;
 
-  scoped_ptr<views::corewm::WMState> wm_state_;
+  scoped_ptr<wm::WMState> wm_state_;
 
   // Check if DBus Thread Manager was initialized here.
   bool dbus_thread_manager_initialized_;