Aura desktop: Show resize cursors again.

ui/aura/desktop/desktop_cursor_client.h

Index: ui/aura/desktop/desktop_cursor_client.h
diff --git a/ui/aura/desktop/desktop_cursor_client.h b/ui/aura/desktop/desktop_cursor_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..a4315ed62a724e87009305e3a861ebff7c812464
--- /dev/null
+++ b/ui/aura/desktop/desktop_cursor_client.h
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+// 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 UI_AURA_DESKTOP_DESKTOP_CURSOR_CLIENT_H_
+#define UI_AURA_DESKTOP_DESKTOP_CURSOR_CLIENT_H_
+
+#include "base/compiler_specific.h"
+#include "ui/aura/aura_export.h"
+
+#include "ui/aura/client/cursor_client.h"
+
+namespace aura {
+class RootWindow;
+
+// A CursorClient that interacts with only one RootWindow. (Unlike the one in
+// ash, which interacts with all the RootWindows.)
+class AURA_EXPORT DesktopCursorClient : public client::CursorClient {
+ public:
+  explicit DesktopCursorClient(aura::RootWindow* window);
+  virtual ~DesktopCursorClient();
+
+  // Overridden from client::CursorClient:
+  virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
+  virtual void ShowCursor(bool show) OVERRIDE;
+  virtual bool IsCursorVisible() const OVERRIDE;
+
+ private:
+  aura::RootWindow* root_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(DesktopCursorClient);
+};
+
+}  // namespace aura
+
+#endif  // UI_AURA_DESKTOP_DESKTOP_CURSOR_CLIENT_H_