Fix regression when off-store install is disabled.

chrome/browser/extensions/crx_installer.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/crx_installer.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
       approved_(false),
       extensions_enabled_(frontend_weak->extensions_enabled()),
       delete_source_(false),
       create_app_shortcut_(false),
       frontend_weak_(frontend_weak),
       profile_(frontend_weak->profile()),
       client_(client),
       apps_require_extension_mime_type_(false),
       allow_silent_install_(false),
       install_cause_(extension_misc::INSTALL_CAUSE_UNSET),
-      creation_flags_(Extension::NO_FLAGS) {
+      creation_flags_(Extension::NO_FLAGS),
+      allow_off_store_install_(false) {
   if (!approval)
     return;
 
   CHECK(profile_->IsSameProfile(approval->profile));
   client_->set_use_app_installed_bubble(approval->use_app_installed_bubble);
   client_->set_skip_post_install_ui(approval->skip_post_install_ui);
 
   if (approval->skip_install_dialog) {
     // Mark the extension as approved, but save the expected manifest and ID
     // so we can check that they match the CRX's.
@@ skipping 88 matching lines @@
   OnUnpackSuccess(extension->path(), extension->path(), NULL, extension);
 }
 
 bool CrxInstaller::AllowInstall(const Extension* extension,
                                 string16* error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   DCHECK(error);
 
   if (!extension->is_theme() &&
       !extensions::switch_utils::IsOffStoreInstallEnabled() &&
+      !allow_off_store_install_ &&
       !is_gallery_install()) {
     *error = l10n_util::GetStringUTF16(
         IDS_EXTENSION_INSTALL_DISALLOWED_ON_SITE);
     return false;
   }
 
   // Make sure the expected ID matches if one was supplied or if we want to
   // bypass the prompt.
   if ((approved_ || !expected_id_.empty()) &&
       expected_id_ != extension->id()) {
@@ skipping 355 matching lines @@
   // Some users (such as the download shelf) need to know when a
   // CRXInstaller is done.  Listening for the EXTENSION_* events
   // is problematic because they don't know anything about the
   // extension before it is unpacked, so they cannot filter based
   // on the extension.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CRX_INSTALLER_DONE,
       content::Source<CrxInstaller>(this),
       content::Details<const Extension>(extension));
 }