Move wm/core to wm namespace.

ui/wm/core/window_modality_controller.h

Index: ui/wm/core/window_modality_controller.h
diff --git a/ui/wm/core/window_modality_controller.h b/ui/wm/core/window_modality_controller.h
index f31162ab32d110159de20379bb51aa004473717f..d098d57fdc1a1f0485c286585cc996965421688d 100644
--- a/ui/wm/core/window_modality_controller.h
+++ b/ui/wm/core/window_modality_controller.h
@@ -18,8 +18,7 @@ class EventTarget;
 class LocatedEvent;
 }
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 // Sets the modal parent for the child.
 WM_CORE_EXPORT void SetModalParent(aura::Window* child, aura::Window* parent);
@@ -67,7 +66,6 @@ class WM_CORE_EXPORT WindowModalityController : public ui::EventHandler,
   DISALLOW_COPY_AND_ASSIGN(WindowModalityController);
 };
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm
 
 #endif  // UI_WM_CORE_WINDOW_MODALITY_CONTROLLER_H_