Fix bug in disabling sync for default apps

chrome/browser/extensions/unpacked_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/unpacked_installer.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/string_util.h"
@@ skipping 52 matching lines @@
 void SimpleExtensionLoadPrompt::ShowPrompt() {
   install_ui_->ConfirmInstall(this, extension_);
 }
 
 void SimpleExtensionLoadPrompt::InstallUIProceed() {
   if (service_weak_.get()) {
     extensions::PermissionsUpdater perms_updater(service_weak_->profile());
     perms_updater.GrantActivePermissions(extension_, false);
     service_weak_->OnExtensionInstalled(
         extension_,
-        false,  // Not from web store.
         syncer::StringOrdinal(),
         false /* no requirement errors */);
   }
   delete this;
 }
 
 void SimpleExtensionLoadPrompt::InstallUIAbort(bool user_initiated) {
   delete this;
 }
 
@@ skipping 171 matching lines @@
         service_weak_->profile(),
         service_weak_,
         extension_);
     prompt->ShowPrompt();
     return;  // continues in SimpleExtensionLoadPrompt::InstallPrompt*
   }
 
   PermissionsUpdater perms_updater(service_weak_->profile());
   perms_updater.GrantActivePermissions(extension_, false);
   service_weak_->OnExtensionInstalled(extension_,
-                                      false,  // Not from web store.
                                       syncer::StringOrdinal(),
                                       false /* no requirement errors */);
 }
 
 }  // namespace extensions