Make extension file URL access opt-in.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 2011 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 2189 matching lines @@
   }
 
   ShownSectionsHandler::OnExtensionInstalled(profile_->GetPrefs(), extension);
   extension_prefs_->OnExtensionInstalled(
       extension,
       initial_enable ? Extension::ENABLED : Extension::DISABLED,
       from_webstore);
 
   // Unpacked extensions default to allowing file access, but if that has been
   // overridden, don't reset the value.
-  if (Extension::ShouldAlwaysAllowFileAccess(Extension::LOAD) &&
+  if (Extension::ShouldAlwaysAllowFileAccess(extension->location()) &&
       !extension_prefs_->HasAllowFileAccessSetting(id)) {
     extension_prefs_->SetAllowFileAccess(id, true);
   }
 
   NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_INSTALLED,
       Source<Profile>(profile_),
       Details<const Extension>(extension));
 
   // Transfer ownership of |extension| to AddExtension.
@@ skipping 360 matching lines @@
 
 ExtensionService::NaClModuleInfoList::iterator
     ExtensionService::FindNaClModule(const GURL& url) {
   for (NaClModuleInfoList::iterator iter = nacl_module_list_.begin();
        iter != nacl_module_list_.end(); ++iter) {
     if (iter->url == url)
       return iter;
   }
   return nacl_module_list_.end();
 }