Rename wm_core_export.h to wm_export.h and the wm_core target to just wm

ui/wm/core/native_cursor_manager_delegate.h

Index: ui/wm/core/native_cursor_manager_delegate.h
diff --git a/ui/wm/core/native_cursor_manager_delegate.h b/ui/wm/core/native_cursor_manager_delegate.h
index aad982561ab9d208d2348107b7173a96bc252845..1393b2cd4b44b9a0148ae0d312b2815da861f352 100644
--- a/ui/wm/core/native_cursor_manager_delegate.h
+++ b/ui/wm/core/native_cursor_manager_delegate.h
@@ -7,14 +7,14 @@
 
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/native_widget_types.h"
-#include "ui/wm/core/wm_core_export.h"
+#include "ui/wm/wm_export.h"
 
 namespace wm {
 
 // The non-public interface that CursorManager exposes to its users. This
 // gives accessors to all the current state, and mutators to all the current
 // state.
-class WM_CORE_EXPORT NativeCursorManagerDelegate {
+class WM_EXPORT NativeCursorManagerDelegate {
  public:
   virtual ~NativeCursorManagerDelegate() {}