Make Blacklist::IsBlacklist asynchronous (it will need to be for safe

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 302 matching lines @@
       // DesktopNotificationService. For this reason, instead of showing the
       // balloon right now, we schedule it to show a little later.
       MessageLoop::current()->PostTask(
           FROM_HERE, base::Bind(&ShowBalloon, extension, profile));
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_UNLOADED:
       switch (content::Details<UnloadedExtensionInfo>(details)->reason) {
         case extension_misc::UNLOAD_REASON_DISABLE:    // Fall through.
         case extension_misc::UNLOAD_REASON_TERMINATE:  // Fall through.
-        case extension_misc::UNLOAD_REASON_UNINSTALL:
+        case extension_misc::UNLOAD_REASON_UNINSTALL:  // Fall through.
+        case extension_misc::UNLOAD_REASON_BLACKLIST:
           ShutdownAssociatedBackgroundContents(
               ASCIIToUTF16(content::Details<UnloadedExtensionInfo>(details)->
                   extension->id()));
           SendChangeNotification(content::Source<Profile>(source).ptr());
           break;
         case extension_misc::UNLOAD_REASON_UPDATE: {
           // If there is a manifest specified background page, then shut it down
           // here, since if the updated extension still has the background page,
           // then it will be loaded from LOADED callback. Otherwise, leave
           // BackgroundContents in place.
@@ skipping 282 matching lines @@
     bool user_gesture,
     bool* was_blocked) {
   Browser* browser = chrome::FindLastActiveWithProfile(
       Profile::FromBrowserContext(new_contents->GetBrowserContext()),
       chrome::GetActiveDesktop());
   if (browser) {
     chrome::AddWebContents(browser, NULL, new_contents, disposition,
                            initial_pos, user_gesture, was_blocked);
   }
 }