Add KeepAliveStateObserver, add the Restart option

chrome/browser/ui/views/panels/panel_view.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/ui/views/panels/panel_view.h"
 
 #include <stddef.h>
 #include <map>
 #include <utility>
 
@@ skipping 286 matching lines @@
 #endif
 
   window_->Init(params);
   window_->set_frame_type(views::Widget::FRAME_TYPE_FORCE_CUSTOM);
   window_->set_focus_on_creation(false);
   window_->AddObserver(this);
 
 #if !defined(USE_ASH)
   // Prevent the browser process from shutting down while this window is open.
   // Chrome OS already has a mechanism to always stay alive and skips this.
-  keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::PANEL_VIEW));
+  keep_alive_.reset(new ScopedKeepAlive(KeepAliveOrigin::PANEL_VIEW,
+                                        KeepAliveRestartOption::DISABLED));
 #endif  // !defined(USE_ASH)
 
   web_view_ = new views::WebView(NULL);
   AddChildView(web_view_);
 
   // Register accelarators supported by panels.
   views::FocusManager* focus_manager = GetFocusManager();
   const std::map<ui::Accelerator, int>& accelerator_table =
       GetAcceleratorTable();
   for (std::map<ui::Accelerator, int>::const_iterator iter =
@@ skipping 829 matching lines @@
   // SWP_FRAMECHANGED flag must be called in order for the cached window data
   // to be updated properly.
   // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633591(v=vs.85).aspx
   if (update_frame) {
     ::SetWindowPos(native_window, NULL, 0, 0, 0, 0,
                    SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE |
                        SWP_NOZORDER | SWP_NOACTIVATE);
   }
 }
 #endif