Disallowing shelf changes via drag & drop if the enterprise profile does not allow changes

ash/test/test_launcher_delegate.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 "ash/test/test_launcher_delegate.h"
 
 #include "ash/launcher/launcher_item_delegate_manager.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_util.h"
 #include "ash/shell.h"
@@ skipping 131 matching lines @@
   return 0;
 }
 
 const std::string& TestLauncherDelegate::GetAppIDForLauncherID(LauncherID id) {
   return EmptyString();
 }
 
 void TestLauncherDelegate::PinAppWithID(const std::string& app_id) {
 }
 
+bool TestLauncherDelegate::CanPin() const {
+  return true;
+}
+
 bool TestLauncherDelegate::IsAppPinned(const std::string& app_id) {
   return false;
 }
 
 void TestLauncherDelegate::UnpinAppWithID(const std::string& app_id) {
 }
 
 }  // namespace test
 }  // namespace ash