Avoid the long merge session throttle interstitial page for NTP on Chrome OS

chrome/browser/chromeos/login/signin/merge_session_throttling_utils.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_THROTTLING_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_THROTTLING_UTILS_H_
 
 #include "base/atomic_ref_count.h"
 #include "net/base/completion_callback.h"
 
@@ skipping 15 matching lines @@
 using CompletionCallback = base::Closure;
 
 // Checks if session is already merged. This is safe to call on all threads.
 bool AreAllSessionMergedAlready();
 
 // Adds/removes |profile| to/from the blocking profiles set. This should be
 // called on the UI thread.
 void BlockProfile(Profile* profile);
 void UnblockProfile(Profile* profile);
 
-// Whether requests from |web_contents| should currently be delayed. This
-// should be called on the UI thread.
+// Whether requests from |web_contents| or |profile| should currently be
+// delayed. This should be called on the UI thread.
+bool ShouldDelayRequest(Profile* profile);
 bool ShouldDelayRequest(content::WebContents* web_contents);
 
 // True if the load of |url| should be delayed. The function is safe to be
 // called on any thread.
 bool ShouldDelayUrl(const GURL& url);
 
 }  // namespace merge_session_throttling_utils
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_MERGE_SESSION_THROTTLING_UTILS_H_