Removing deprecated GTK-Views code.

ui/views/controls/native/native_view_host_gtk.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 UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_GTK_H_
-#define UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_GTK_H_
-#pragma once
-
-#include <gtk/gtk.h>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/gfx/rect.h"
-#include "ui/views/controls/native/native_view_host_wrapper.h"
-
-namespace views {
-
-class View;
-class NativeWidgetGtk;
-
-// Note that the NativeViewHostGtk assumes ownership of the GtkWidget attached
-// to it for the duration of its attachment. This is so the NativeViewHostGtk
-// can safely reparent the GtkWidget in multiple passes without having to worry
-// about the GtkWidget's refcnt falling to 0.
-class NativeViewHostGtk : public NativeViewHostWrapper {
- public:
-  explicit NativeViewHostGtk(NativeViewHost* host);
-  virtual ~NativeViewHostGtk();
-
-  // Overridden from NativeViewHostWrapper:
-  virtual void NativeViewAttached() OVERRIDE;
-  virtual void NativeViewDetaching(bool destroyed) OVERRIDE;
-  virtual void AddedToWidget() OVERRIDE;
-  virtual void RemovedFromWidget() OVERRIDE;
-  virtual void InstallClip(int x, int y, int w, int h) OVERRIDE;
-  virtual bool HasInstalledClip() OVERRIDE;
-  virtual void UninstallClip() OVERRIDE;
-  virtual void ShowWidget(int x, int y, int w, int h) OVERRIDE;
-  virtual void HideWidget() OVERRIDE;
-  virtual void SetFocus() OVERRIDE;
-  virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
-
- private:
-  // Create and Destroy the GtkFixed that performs clipping on our hosted
-  // GtkWidget. |needs_window| is true when a clip is installed and implies the
-  // fixed is backed by a X Window which actually performs the clipping.
-  // It's kind of retarded that Gtk/Cairo doesn't clip painting of child windows
-  // regardless of whether or not there's an X Window. It's not that hard.
-  void CreateFixed(bool needs_window);
-
-  // Destroys the GtkFixed that performs clipping on our hosted GtkWidget.
-  void DestroyFixed();
-
-  NativeWidgetGtk* GetHostWidget() const;
-
-  // Returns the descendant of fixed_ that has focus, or NULL if focus is not
-  // on a descendant of fixed_.
-  GtkWidget* GetFocusedDescendant();
-
-  // Connects a new host widget.
-  void AttachHostWidget();
-
-  // Invoked from the 'destroy' signal.
-  static void CallDestroy(GtkObject* object, NativeViewHostGtk* host);
-
-  // Invoked from the 'focus-in-event' signal.
-  static gboolean CallFocusIn(GtkWidget* gtk_widget,
-                              GdkEventFocus* event,
-                              NativeViewHostGtk* button);
-
-  // Our associated NativeViewHost.
-  NativeViewHost* host_;
-
-  // Have we installed a region on the gfx::NativeView used to clip to only the
-  // visible portion of the gfx::NativeView ?
-  bool installed_clip_;
-
-  // The installed clip rect. InstallClip doesn't actually perform the clipping,
-  // a call to ShowWidget will.
-  gfx::Rect installed_clip_bounds_;
-
-  // Signal handle id for 'destroy' signal.
-  gulong destroy_signal_id_;
-
-  // Signal handle id for 'focus-in-event' signal.
-  gulong focus_signal_id_;
-
-  // The GtkFixed that contains the attached gfx::NativeView (used for
-  // clipping).
-  GtkWidget* fixed_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeViewHostGtk);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_GTK_H_