Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/gtk_chrome_button.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_GTK_CHROME_BUTTON_H_
-#define CHROME_BROWSER_UI_GTK_GTK_CHROME_BUTTON_H_
-
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-#define GTK_TYPE_CHROME_BUTTON        (gtk_chrome_button_get_type ())
-#define GTK_CHROME_BUTTON(obj)                              \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj), GTK_TYPE_CHROME_BUTTON, GtkChromeButton))
-#define GTK_CHROME_BUTTON_CLASS(klass)                      \
-  (G_TYPE_CHECK_CLASS_CAST((klass), GTK_TYPE_CHROME_BUTTON, \
-                           GtkChromeButtonClass))
-#define GTK_IS_CHROME_BUTTON(obj)                           \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GTK_TYPE_CHROME_BUTTON))
-#define GTK_IS_CHROME_BUTTON_CLASS(klass)                   \
-  (G_TYPE_CHECK_CLASS_TYPE((klass), GTK_TYPE_CHROME_BUTTON))
-#define GTK_CHROME_BUTTON_GET_CLASS(obj)                    \
-  (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_TYPE_CHROME_BUTTON, GtkChromeButton))
-
-typedef struct _GtkChromeButton        GtkChromeButton;
-typedef struct _GtkChromeButtonClass   GtkChromeButtonClass;
-
-struct _GtkChromeButton {
-  GtkButton button;
-};
-
-struct _GtkChromeButtonClass {
-  GtkButtonClass parent_class;
-};
-
-GtkWidget* gtk_chrome_button_new();
-
-GType gtk_chrome_button_get_type();
-
-// Set the paint state to |state|. This overrides the widget's current state.
-void gtk_chrome_button_set_paint_state(GtkChromeButton* button,
-                                       GtkStateType state);
-
-// Revert to using the widget's current state for painting.
-void gtk_chrome_button_unset_paint_state(GtkChromeButton* button);
-
-// Whether we should use custom theme images or let GTK take care of it.
-void gtk_chrome_button_set_use_gtk_rendering(GtkChromeButton* button,
-                                             gboolean value);
-
-// Sets the partial hover state of the button. The acceptable range is 0.0 to
-// 1.0. If |state| is outside of that range, then revert the button to normal
-// hovering. This can be overridden by gtk_chrome_button_set_paint_state.
-void gtk_chrome_button_set_hover_state(GtkChromeButton* button,
-                                       gdouble state);
-
-G_END_DECLS
-
-#endif  // CHROME_BROWSER_UI_GTK_GTK_CHROME_BUTTON_H_