Revert 230235 "Use BaseShellDialog for print dialog on Windows"

trunk/src/ui/shell_dialogs/base_shell_dialog_win.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 "ui/shell_dialogs/base_shell_dialog_win.h"
 
 #include <algorithm>
 
 #include "base/threading/thread.h"
 #include "base/win/scoped_com_initializer.h"
@@ skipping 12 matching lines @@
   // All runs should be complete by the time this is called!
   if (--instance_count_ == 0)
     DCHECK(owners_.empty());
 }
 
 BaseShellDialogImpl::RunState BaseShellDialogImpl::BeginRun(HWND owner) {
   // Cannot run a modal shell dialog if one is already running for this owner.
   DCHECK(!IsRunningDialogForOwner(owner));
   // The owner must be a top level window, otherwise we could end up with two
   // entries in our map for the same top level window.
-  // TODO(scottmg): This should be re-enabled when Chrome Frame is removed.
-  // http://crbug.com/310264
-  // DCHECK(!owner || owner == GetAncestor(owner, GA_ROOT));
+  DCHECK(!owner || owner == GetAncestor(owner, GA_ROOT));
   RunState run_state;
   run_state.dialog_thread = CreateDialogThread();
   run_state.owner = owner;
   if (owner) {
     owners_.insert(owner);
     DisableOwner(owner);
   }
   return run_state;
 }
 
@@ skipping 25 matching lines @@
   DCHECK(started);
   return thread;
 }
 
 void BaseShellDialogImpl::EnableOwner(HWND owner) {
   if (IsWindow(owner))
     EnableWindow(owner, TRUE);
 }
 
 }  // namespace ui