Splits TooltipManager so that it can be ported and stubs out the GTK...

views/widget/tooltip_manager_gtk.h

+// Copyright (c) 2009 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 VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_
+#define VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_
+
+#include "views/widget/tooltip_manager.h"
+
+namespace views {
+
+class Widget;
+
+// TooltipManager takes care of the wiring to support tooltips for Views. You
+// almost never need to interact directly with TooltipManager, rather look to
+// the various tooltip methods on View.
+class TooltipManagerGtk : public TooltipManager {
+ public:
+  explicit TooltipManagerGtk(Widget* widget);
+  virtual ~TooltipManagerGtk() {}
+
+  // TooltipManager.
+  virtual void UpdateTooltip();
+  virtual void TooltipTextChanged(View* view);
+  virtual void ShowKeyboardTooltip(View* view);
+  virtual void HideKeyboardTooltip();
+
+ private:
+  // Our owner.
+  Widget* widget_;
+
+  DISALLOW_COPY_AND_ASSIGN(TooltipManagerGtk);
+};
+
+}  // namespace views
+
+#endif // VIEWS_WIDGET_TOOLTIP_MANAGER_GTK_H_