Bypass ToplevelWindowEventFilter for panels.

ui/aura_shell/shell.cc

 // Copyright (c) 2011 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/aura_shell/shell.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 57 matching lines @@
   default_container->set_id(internal::kShellWindowId_DefaultContainer);
   containers->push_back(default_container);
 
   aura::Window* always_on_top_container = new aura::Window(NULL);
   always_on_top_container->SetEventFilter(
       new ToplevelWindowEventFilter(always_on_top_container));
   always_on_top_container->set_id(
       internal::kShellWindowId_AlwaysOnTopContainer);
   containers->push_back(always_on_top_container);
 
+  aura::Window* panel_container = new aura::Window(NULL);
+  panel_container->set_id(internal::kShellWindowId_PanelContainer);
+  containers->push_back(panel_container);
+
   aura::Window* launcher_container = new aura::Window(NULL);
   launcher_container->set_id(internal::kShellWindowId_LauncherContainer);
   containers->push_back(launcher_container);
 
   aura::Window* modal_container = new aura::Window(NULL);
   modal_container->SetEventFilter(
       new ToplevelWindowEventFilter(modal_container));
   modal_container->SetLayoutManager(
       new internal::ModalContainerLayoutManager(modal_container));
   modal_container->set_id(internal::kShellWindowId_ModalContainer);
@@ skipping 237 matching lines @@
       new internal::WorkspaceController(default_container));
   workspace_controller_->SetLauncherModel(launcher_->model());
   default_container->SetEventFilter(
       new internal::DefaultContainerEventFilter(default_container));
   default_container->SetLayoutManager(
       new internal::DefaultContainerLayoutManager(
           workspace_controller_->workspace_manager()));
 }
 
 }  // namespace aura_shell