Move wm/core to wm namespace.

ui/wm/core/window_animations.h

Index: ui/wm/core/window_animations.h
diff --git a/ui/wm/core/window_animations.h b/ui/wm/core/window_animations.h
index 2c7997d9538a647ba306e278cd304a1ab8905ba3..73a817326b814a80f0588d048b803dd9e6381f78 100644
--- a/ui/wm/core/window_animations.h
+++ b/ui/wm/core/window_animations.h
@@ -24,8 +24,7 @@ class Layer;
 class LayerAnimationSequence;
 }
 
-namespace views {
-namespace corewm {
+namespace wm {
 
 // A variety of canned animations for window transitions.
 enum WindowVisibilityAnimationType {
@@ -99,7 +98,6 @@ WM_CORE_EXPORT bool AnimateWindow(aura::Window* window,
 // if the global flag disabling window animations is present.
 WM_CORE_EXPORT bool WindowAnimationsDisabled(aura::Window* window);
 
-}  // namespace corewm
-}  // namespace views
+}  // namespace wm
 
 #endif  // UI_WM_CORE_WINDOW_ANIMATIONS_H_