ABANDONED: mash: Move shell delegate interfaces to ash/common

ash/common/pointer_watcher_delegate.h

Index: ash/common/pointer_watcher_delegate.h
diff --git a/ash/pointer_watcher_delegate.h b/ash/common/pointer_watcher_delegate.h
similarity index 80%
rename from ash/pointer_watcher_delegate.h
rename to ash/common/pointer_watcher_delegate.h
index 7e9b11ab1f56dd1d4f578b632c7b4bf1bb829f9c..75f873894219b86e79ed6e985632e54ba5c3bae1 100644
--- a/ash/pointer_watcher_delegate.h
+++ b/ash/common/pointer_watcher_delegate.h
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef ASH_COMMON_POINTER_WATCHER_DELEGATE_H_
+#define ASH_COMMON_POINTER_WATCHER_DELEGATE_H_
+
 #include "ash/ash_export.h"
 
 namespace views {
@@ -20,3 +23,5 @@ class ASH_EXPORT PointerWatcherDelegate {
 };
 
 }  // namespace ash
+
+#endif  // ASH_COMMON_POINTER_WATCHER_DELEGATE_H_