Generalize ExtensionIconSet to store icon paths for custom size sets

chrome/browser/background/background_contents_service.cc

 // 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.
 
 #include "chrome/browser/background/background_contents_service.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
@@ skipping 97 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(CrashNotificationDelegate);
 };
 
 void ShowBalloon(const Extension* extension, Profile* profile) {
 #if defined(ENABLE_NOTIFICATIONS)
   string16 title;  // no notifiaction title
   string16 message = l10n_util::GetStringFUTF16(
       extension->is_app() ?  IDS_BACKGROUND_CRASHED_APP_BALLOON_MESSAGE :
       IDS_BACKGROUND_CRASHED_EXTENSION_BALLOON_MESSAGE,
       UTF8ToUTF16(extension->name()));
-  GURL icon_url(extension->GetIconURL(ExtensionIconSet::EXTENSION_ICON_SMALLISH,
+  GURL icon_url(extension->GetIconURL(extension_misc::EXTENSION_ICON_SMALLISH,
                                       ExtensionIconSet::MATCH_BIGGER));
   DesktopNotificationService::AddNotification(
       extension->url(), title, message, icon_url, string16(),
       new CrashNotificationDelegate(profile, extension), profile);
 #endif
 }
 
 }
 
 // Keys for the information we store about individual BackgroundContents in
@@ skipping 484 matching lines @@
     WindowOpenDisposition disposition,
     const gfx::Rect& initial_pos,
     bool user_gesture) {
   Browser* browser = browser::FindLastActiveWithProfile(
       Profile::FromBrowserContext(new_contents->GetBrowserContext()));
   if (browser) {
     chrome::AddWebContents(browser, NULL, new_contents, disposition,
                            initial_pos, user_gesture);
   }
 }