Make platform apps get isolated storage by default.

chrome/browser/extensions/extension_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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 808 matching lines @@
             BrowserThread::FILE, FROM_HERE,
             base::Bind(
                 &extension_file_util::UninstallExtension,
                 install_directory_,
                 extension_id)))
       NOTREACHED();
   }
 
   GURL launch_web_url_origin(extension->launch_web_url());
   launch_web_url_origin = launch_web_url_origin.GetOrigin();
-  bool is_storage_isolated =
-    (extension->is_storage_isolated() &&
-    extension->HasAPIPermission(ExtensionAPIPermission::kExperimental));
+  bool is_storage_isolated = extension->is_storage_isolated();
 
   if (extension->is_hosted_app() &&
       !profile_->GetExtensionSpecialStoragePolicy()->
           IsStorageProtected(launch_web_url_origin)) {
     ExtensionDataDeleter::StartDeleting(
         profile_, extension_id, launch_web_url_origin, is_storage_isolated);
   }
   ExtensionDataDeleter::StartDeleting(
       profile_, extension_id, extension->url(), is_storage_isolated);
 
@@ skipping 1808 matching lines @@
   // To coexist with certain unit tests that don't have an IO thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy an
   // APIResourceController.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!api_resource_controller_) {
     api_resource_controller_ = new extensions::APIResourceController();
   }
   return api_resource_controller_;
 }