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

ui/wm/core/native_cursor_manager.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_WM_CORE_NATIVE_CURSOR_MANAGER_H_
 #define UI_WM_CORE_NATIVE_CURSOR_MANAGER_H_
 
 #include "base/strings/string16.h"
 #include "ui/wm/core/native_cursor_manager_delegate.h"
-#include "ui/wm/wm_export.h"
+#include "ui/wm/core/wm_core_export.h"
 
 namespace gfx {
 class Display;
 }
 
 namespace wm {
 
 // Interface where platforms such as Ash or Desktop aura are notified of
 // requested changes to cursor state. When requested, implementer should tell
 // the CursorManager of any actual state changes performed through the
 // delegate.
-class WM_EXPORT NativeCursorManager {
+class WM_CORE_EXPORT NativeCursorManager {
  public:
   virtual ~NativeCursorManager() {}
 
   // A request to set the screen DPI. Can cause changes in the current cursor.
   virtual void SetDisplay(
       const gfx::Display& display,
       wm::NativeCursorManagerDelegate* delegate) = 0;
 
   // A request to set the cursor to |cursor|. At minimum, implementer should
   // call NativeCursorManagerDelegate::CommitCursor() with whatever cursor is
@@ skipping 18 matching lines @@
   // implementer should call NativeCursorManagerDelegate::
   // CommitMouseEventsEnabled() with whether mouse events are actually enabled.
   virtual void SetMouseEventsEnabled(
       bool enabled,
       wm::NativeCursorManagerDelegate* delegate) = 0;
 };
 
 }  // namespace wm
 
 #endif  // UI_WM_CORE_NATIVE_CURSOR_MANAGER_H_