Add ScopedKeepAlive to c/b/lifetime

chrome/browser/ui/views/panels/panel_view.cc

Index: chrome/browser/ui/views/panels/panel_view.cc
diff --git a/chrome/browser/ui/views/panels/panel_view.cc b/chrome/browser/ui/views/panels/panel_view.cc
index 9775a2de76037edc08dd156748942d37f79553cf..d4b6aa580d0da9e8f6b8bbdbf796dcc811f70782 100644
--- a/chrome/browser/ui/views/panels/panel_view.cc
+++ b/chrome/browser/ui/views/panels/panel_view.cc
@@ -14,6 +14,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/lifetime/scoped_keep_alive.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/panels/panel.h"
@@ -301,7 +302,7 @@ PanelView::PanelView(Panel* panel, const gfx::Rect& bounds, bool always_on_top)
   window_->AddObserver(this);
 
   // Prevent the browser process from shutting down while this window is open.
-  keep_alive_.reset(new AutoKeepAlive(GetNativePanelWindow()));
+  keep_alive_ = AutoKeepAlive(GetNativePanelWindow());
 
   web_view_ = new views::WebView(NULL);
   AddChildView(web_view_);