[Extensions UI] Share more code in ExtensionInstalledBubble

chrome/browser/ui/cocoa/extensions/extension_installed_bubble_controller.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_UI_COCOA_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
+#include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
-#import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 class Browser;
 class ExtensionInstalledBubble;
 class ExtensionInstalledBubbleBridge;
 @class HyperlinkTextView;
 @class HoverCloseButton;
-@class InfoBubbleView;
 
 namespace extensions {
 class BundleInstaller;
 class Extension;
 }
 
 namespace extension_installed_bubble {
 
 // Maximum height or width of extension's icon (corresponds to Windows & GTK).
 const int kIconSize = 43;
@@ skipping 110 matching lines @@
 - (NSRect)headingFrame;
 - (NSRect)frameOfHowToUse;
 - (NSRect)frameOfHowToManage;
 - (NSRect)frameOfSigninPromo;
 - (BOOL)showSyncPromo;
 - (NSButton*)appInstalledShortcutLink;
 
 @end  // ExtensionInstalledBubbleController(ExposedForTesting)
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_CONTROLLER_H_