app_shell: Add support for mouse cursors.

ui/wm/core/native_cursor_manager.h

Index: ui/wm/core/native_cursor_manager.h
diff --git a/ui/wm/core/native_cursor_manager.h b/ui/wm/core/native_cursor_manager.h
index c1da74d5692580b8b0c8dbbce3d718fa2b94eed3..de16ef8ce2d80d048bac49920d812da85336b432 100644
--- a/ui/wm/core/native_cursor_manager.h
+++ b/ui/wm/core/native_cursor_manager.h
@@ -6,6 +6,7 @@
 #define UI_WM_CORE_NATIVE_CURSOR_MANAGER_H_
 
 #include "base/strings/string16.h"
+#include "ui/base/cursor/cursor.h"
 #include "ui/wm/core/native_cursor_manager_delegate.h"
 #include "ui/wm/wm_export.h"
 
@@ -26,33 +27,33 @@ class WM_EXPORT 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;
+      NativeCursorManagerDelegate* delegate) = 0;
 
   // A request to set the cursor to |cursor|. At minimum, implementer should
   // call NativeCursorManagerDelegate::CommitCursor() with whatever cursor is
   // actually used.
   virtual void SetCursor(
       gfx::NativeCursor cursor,
-      wm::NativeCursorManagerDelegate* delegate) = 0;
+      NativeCursorManagerDelegate* delegate) = 0;
 
   // A request to set the visibility of the cursor. At minimum, implementer
   // should call NativeCursorManagerDelegate::CommitVisibility() with whatever
   // the visibility is.
   virtual void SetVisibility(
     bool visible,
-    wm::NativeCursorManagerDelegate* delegate) = 0;
+    NativeCursorManagerDelegate* delegate) = 0;
 
   // A request to set the cursor set.
   virtual void SetCursorSet(
       ui::CursorSetType cursor_set,
-      wm::NativeCursorManagerDelegate* delegate) = 0;
+      NativeCursorManagerDelegate* delegate) = 0;
 
   // A request to set whether mouse events are disabled. At minimum,
   // implementer should call NativeCursorManagerDelegate::
   // CommitMouseEventsEnabled() with whether mouse events are actually enabled.
   virtual void SetMouseEventsEnabled(
       bool enabled,
-      wm::NativeCursorManagerDelegate* delegate) = 0;
+      NativeCursorManagerDelegate* delegate) = 0;
 };
 
 }  // namespace wm