Avoid discarding freshly created background tabs

content/shell/browser/shell_devtools_delegate.cc

Index: content/shell/browser/shell_devtools_delegate.cc
diff --git a/content/shell/browser/shell_devtools_delegate.cc b/content/shell/browser/shell_devtools_delegate.cc
index b5830971e01f3ff1b63723f236c8cbfac59a8b0a..fe7f9a93a29b2f6a966a60b1cbced9f09ddec277 100644
--- a/content/shell/browser/shell_devtools_delegate.cc
+++ b/content/shell/browser/shell_devtools_delegate.cc
@@ -113,7 +113,7 @@ Target::Target(WebContents* web_contents) {
   content::NavigationEntry* entry = controller.GetActiveEntry();
   if (entry != NULL && entry->GetURL().is_valid())
     favicon_url_ = entry->GetFavicon().url;
-  last_activity_time_ = web_contents->GetLastSelectedTime();
+  last_activity_time_ = web_contents->GetLastActiveTime();
 }
 
 bool Target::Activate() const {