Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/tabstrip_origin_provider.h

-// Copyright (c) 2011 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 CHROME_BROWSER_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_
-#define CHROME_BROWSER_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_
-
-namespace gfx{
-class Point;
-}
-
-// Abstract interface that provides an offset of a widget. Many pieces of the
-// UI don't need the full BrowserWindowGtk, but just need information about
-// its position relative to the tabstrip to draw correctly. This interface
-// exists to make it easier to test piece by piece.
-class TabstripOriginProvider {
- public:
-  virtual ~TabstripOriginProvider() { }
-
-  // Return the origin of the tab strip in coordinates relative to where we
-  // start drawing the background theme image. This is the x coordinate of
-  // the origin of the GdkWindow of widget(), but the y coordinate of the origin
-  // of widget() itself.
-  // Used to help other widgets draw their background relative to the tabstrip.
-  // Should only be called after both the tabstrip and |widget| have been
-  // allocated.
-  virtual gfx::Point GetTabStripOriginForWidget(GtkWidget* widget) = 0;
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_TABSTRIP_ORIGIN_PROVIDER_H_