Avoid discarding freshly created background tabs

chrome/browser/devtools/devtools_target_impl.cc

 // Copyright 2013 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/devtools/devtools_target_impl.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/devtools/devtools_window.h"
 #include "chrome/browser/extensions/extension_host.h"
@@ skipping 52 matching lines @@
   WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
   if (!web_contents)
     return;  // Orphan RVH will show up with no title/url/icon in clients.
 
   title_ = base::UTF16ToUTF8(web_contents->GetTitle());
   url_ = web_contents->GetURL();
   content::NavigationController& controller = web_contents->GetController();
   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();
 
   if (is_tab) {
     type_ = kTargetTypePage;
     tab_id_ = extensions::ExtensionTabUtil::GetTabId(web_contents);
   } else {
     Profile* profile =
         Profile::FromBrowserContext(web_contents->GetBrowserContext());
     if (profile) {
       ExtensionService* extension_service = profile->GetExtensionService();
       const extensions::Extension* extension = extension_service->
@@ skipping 238 matching lines @@
 
 // static
 void DevToolsTargetImpl::EnumerateAllTargets(Callback callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   content::BrowserThread::PostTask(
       content::BrowserThread::IO,
       FROM_HERE,
       base::Bind(&DevToolsTargetImpl::EnumerateWorkerTargets,
                  base::Bind(&CollectAllTargets, callback)));
 }