Fix FirstWebContentsProfiler not getting created when using session restore.

chrome/browser/ui/browser_navigator.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/browser_navigator.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/macros.h"
@@ skipping 359 matching lines @@
   // New tabs can have WebUI URLs that will make calls back to arbitrary
   // tab helpers, so the entire set of tab helpers needs to be set up
   // immediately.
   BrowserNavigatorWebContentsAdoption::AttachTabHelpers(target_contents);
 #if defined(ENABLE_EXTENSIONS)
   extensions::TabHelper::FromWebContents(target_contents)->
       SetExtensionAppById(params.extension_app_id);
 #endif
 
 #if !defined(OS_ANDROID)
-  static bool first_web_contents_profiled = false;
-  if (!first_web_contents_profiled) {
-    first_web_contents_profiled = true;
-    new FirstWebContentsProfiler(target_contents);
-  }
+  FirstWebContentsProfiler::WebContentsStarted(target_contents);
 #endif  // !defined(OS_ANDROID)
   return target_contents;
 }
 
 // If a prerendered page exists for |url|, replace the page at
 // |params->target_contents| with it and update to point to the swapped-in
 // WebContents.
 bool SwapInPrerender(const GURL& url, chrome::NavigateParams* params) {
   Profile* profile =
       Profile::FromBrowserContext(params->target_contents->GetBrowserContext());
@@ skipping 273 matching lines @@
   bool reverse_on_redirect = false;
   content::BrowserURLHandler::GetInstance()->RewriteURLIfNecessary(
       &rewritten_url, browser_context, &reverse_on_redirect);
 
   // Some URLs are mapped to uber subpages. Do not allow them in incognito.
   return !(rewritten_url.scheme() == content::kChromeUIScheme &&
            rewritten_url.host() == chrome::kChromeUIUberHost);
 }
 
 }  // namespace chrome