Revert of Unload all apps / extensions when deleting a profile.

extensions/browser/process_manager.cc

 // Copyright 2013 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 "extensions/browser/process_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 418 matching lines @@
 
 void ProcessManager::DecrementLazyKeepaliveCount(const Extension* extension) {
   if (!BackgroundInfo::HasLazyBackgroundPage(extension))
     return;
   DecrementLazyKeepaliveCount(extension->id());
 }
 
 void ProcessManager::DecrementLazyKeepaliveCount(
     const std::string& extension_id) {
   int& count = background_page_data_[extension_id].lazy_keepalive_count;
-  DCHECK(count > 0 ||
-         !ExtensionRegistry::Get(GetBrowserContext())
-              ->enabled_extensions()
-              .Contains(extension_id));
+  DCHECK_GT(count, 0);
 
   // If we reach a zero keepalive count when the lazy background page is about
   // to be closed, incrementing close_sequence_id will cancel the close
   // sequence and cause the background page to linger. So check is_closing
   // before initiating another close sequence.
   if (--count == 0 && !background_page_data_[extension_id].is_closing) {
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&ProcessManager::OnLazyBackgroundPageIdle,
                    weak_ptr_factory_.GetWeakPtr(), extension_id,
@@ skipping 478 matching lines @@
     const Extension* extension =
         registry->enabled_extensions().GetExtensionOrAppByURL(url);
     if (extension && !IncognitoInfo::IsSplitMode(extension)) {
       return original_manager_->GetSiteInstanceForURL(url);
     }
   }
   return ProcessManager::GetSiteInstanceForURL(url);
 }
 
 }  // namespace extensions