Added restore functionality for maximize full/left/right

ash/wm/workspace/maximize_types.h

Index: ash/wm/workspace/maximize_types.h
diff --git a/ash/wm/workspace/maximize_types.h b/ash/wm/workspace/maximize_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..9ccdae36fcf0b2979d8d35c0aad155615cf1ef3f
--- /dev/null
+++ b/ash/wm/workspace/maximize_types.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2012 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 ASH_WM_WORKSPACE_MAXIMIZE_TYPES_H_
+#define ASH_WM_WORKSPACE_MAXIMIZE_TYPES_H_
+
+namespace ash {
+
+// These are the types of maximization we know.
+enum MaximizeType {
+  MAXIMIZE_NONE = 0,
+  MAXIMIZE_FULL = 1,
+  MAXIMIZE_LEFT = 2,
+  MAXIMIZE_RIGHT = 3
+};
+
+} // namespace views
+
+#endif  // ASH_WM_WORKSPACE_MAXIMIZE_TYPES_H_
+
+