Delete code for and references to mini-gallery and theme install bubbles.

chrome/browser/ui/gtk/theme_install_bubble_view_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 CHROME_BROWSER_UI_GTK_THEME_INSTALL_BUBBLE_VIEW_GTK_H_
-#define CHROME_BROWSER_UI_GTK_THEME_INSTALL_BUBBLE_VIEW_GTK_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include "base/basictypes.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "ui/base/gtk/gtk_signal.h"
-
-class ThemeInstallBubbleViewGtk : public content::NotificationObserver {
- public:
-  static void Show(GtkWindow* parent);
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details);
-
- private:
-  explicit ThemeInstallBubbleViewGtk(GtkWidget* parent);
-
-  virtual ~ThemeInstallBubbleViewGtk();
-
-  void increment_num_loading() { num_loads_extant_++; }
-
-  // Create the widget hierarchy.
-  void InitWidgets();
-
-  // Reposition |widget_| to be centered over |parent_|.
-  void MoveWindow();
-
-  // Our parent is going down; self destruct.
-  CHROMEGTK_CALLBACK_0(ThemeInstallBubbleViewGtk, gboolean, OnUnmapEvent);
-
-  // Draw the background. This is only signalled if we are using a compositing
-  // window manager, otherwise we just use ActAsRoundedWindow().
-  CHROMEGTK_CALLBACK_1(ThemeInstallBubbleViewGtk, gboolean,
-                       OnExpose, GdkEventExpose*);
-
-  GtkWidget* widget_;
-
-  // The parent browser window, over which we position ourselves.
-  GtkWidget* parent_;
-
-  // The number of loads we represent. When it reaches 0 we delete ourselves.
-  int num_loads_extant_;
-
-  content::NotificationRegistrar registrar_;
-
-  // Our one instance. We don't allow more than one to exist at a time.
-  static ThemeInstallBubbleViewGtk* instance_;
-
-  DISALLOW_COPY_AND_ASSIGN(ThemeInstallBubbleViewGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_THEME_INSTALL_BUBBLE_VIEW_GTK_H_