Refactoring ExtenionInstallUI to abstract the Browser references.

chrome/browser/extensions/extension_install_ui_default.h

+// Copyright (c) 2012 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_EXTENSIONS_EXTENSION_INSTALL_UI_DEFAULT_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_DEFAULT_H_
+#pragma once
+
+#include "chrome/browser/extensions/extension_install_ui.h"
+
+class InfoBarDelegate;
+class TabContentsWrapper;
+
+class ExtensionInstallUIDefault : public ExtensionInstallUI {
+ public:
+  explicit ExtensionInstallUIDefault(Profile* profile);
+  virtual ~ExtensionInstallUIDefault();
+
+  virtual void OnInstallSuccess(const extensions::Extension* extension,
+                                SkBitmap* icon);
+  virtual void OnInstallFailure(const string16& error);
+
+ private:
+  // Shows an infobar for a newly-installed theme.  previous_theme_id should be
+  // empty if the previous theme was the system/default theme.
+  static void ShowThemeInfoBar(const std::string& previous_theme_id,
+                               bool previous_using_native_theme,
+                               const extensions::Extension* new_theme,
+                               Profile* profile);
+
+  // Returns the delegate to control the browser's info bar. This is
+  // within its own function due to its platform-specific nature.
+  static InfoBarDelegate* GetNewThemeInstalledInfoBarDelegate(
+      TabContentsWrapper* tab_contents,
+      const extensions::Extension* new_theme,
+      const std::string& previous_theme_id,
+      bool previous_using_native_theme);
+
+  // Used to undo theme installation.
+  std::string previous_theme_id_;
+  bool previous_using_native_theme_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ExtensionInstallUIDefault);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_DEFAULT_H_