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

ash/shell/launcher_delegate_impl.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/shell/launcher_delegate_impl.h"
 
 #include "ash/launcher/launcher_item_delegate_manager.h"
 #include "ash/launcher/launcher_util.h"
 #include "ash/shell.h"
 #include "ash/shell/toplevel_window.h"
@@ skipping 69 matching lines @@
   return EmptyString();
 }
 
 void LauncherDelegateImpl::PinAppWithID(const std::string& app_id) {
 }
 
 bool LauncherDelegateImpl::IsAppPinned(const std::string& app_id) {
   return false;
 }
 
+bool LauncherDelegateImpl::CanPin() const {
+  return false;

[James Cook, 2013/09/09 23:14:09]

Should this be "true"?  I think this class is used as a stub in ash_shell or
content_shell.

+}
+
 void LauncherDelegateImpl::UnpinAppWithID(const std::string& app_id) {
 }
 
 }  // namespace shell
 }  // namespace ash