Redo the Storage Partition directory layout to support guest tags and origin based partitions.

chrome/browser/extensions/data_deleter.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/extensions/data_deleter.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/settings/settings_frontend.h"
@@ skipping 75 matching lines @@
   // http://crbug.com/85127
   database_tracker_ = BrowserContext::GetDefaultStoragePartition(profile)->
       GetDatabaseTracker();
   // Pick the right request context depending on whether it's an extension,
   // isolated app, or regular app.
   if (storage_origin.SchemeIs(chrome::kExtensionScheme)) {
     extension_request_context_ = profile->GetRequestContextForExtensions();
   } else if (is_storage_isolated) {
     extension_request_context_ =
         profile->GetRequestContextForIsolatedApp(extension_id);
-    isolated_app_path_ = profile->GetPath().
-        Append(content::kStoragePartitionDirname).AppendASCII(extension_id);
+    isolated_app_path_ =
+        profile->GetPath().Append(
+            content::StoragePartition::GetPartitionPath(extension_id));
   } else {
     extension_request_context_ = profile->GetRequestContext();
   }
   file_system_context_ = BrowserContext::GetFileSystemContext(profile);
   storage_origin_ = storage_origin;
   origin_id_ =
       webkit_database::DatabaseUtil::GetOriginIdentifier(storage_origin_);
 }
 
 DataDeleter::~DataDeleter() {
@@ skipping 34 matching lines @@
 }
 
 void DataDeleter::DeleteAppcachesOnIOThread(
     appcache::AppCacheService* appcache_service) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   appcache_service->DeleteAppCachesForOrigin(storage_origin_,
                                              net::CompletionCallback());
 }
 
 }  // namespace extensions