Fix crash in ExtensionService::InitializePermissions().

chrome/browser/extensions/permissions_updater.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/permissions_updater.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/permissions/permissions_api_helpers.h"
@@ skipping 56 matching lines @@
   // the extension, not the user, removed the permissions. This allows the
   // extension to add them again without prompting the user.
   UpdateActivePermissions(extension, total.get());
 
   NotifyPermissionsUpdated(REMOVED, extension, removed.get());
 }
 
 void PermissionsUpdater::GrantActivePermissions(const Extension* extension) {
   CHECK(extension);
 
-  // We only maintain the granted permissions prefs for extensions that can't
-  // silently increase their permissions.
-  if (extension->CanSilentlyIncreasePermissions())
+  // We only maintain the granted permissions prefs for INTERNAL and LOAD
+  // extensions.
+  if (extension->location() != Extension::LOAD &&
+      extension->location() != Extension::INTERNAL)
     return;
 
   GetExtensionPrefs()->AddGrantedPermissions(
       extension->id(), extension->GetActivePermissions());
 }
 
 void PermissionsUpdater::UpdateActivePermissions(
     const Extension* extension, const ExtensionPermissionSet* permissions) {
   GetExtensionPrefs()->SetActivePermissions(extension->id(), permissions);
   extension->SetActivePermissions(permissions);
@@ skipping 59 matching lines @@
 
   // Trigger the onAdded and onRemoved events in the extension.
   DispatchEvent(extension->id(), event_name, changed);
 }
 
 ExtensionPrefs* PermissionsUpdater::GetExtensionPrefs() {
   return profile_->GetExtensionService()->extension_prefs();
 }
 
 }  // namespace extensions