Replace manual GoogleURLTracker update request with call to utility function.

components/google/core/browser/google_url_tracker.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 COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_URL_TRACKER_H_
 #define COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_URL_TRACKER_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
@@ skipping 47 matching lines @@
   ~GoogleURLTracker() override;
 
   // Register user preferences for GoogleURLTracker.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
 
   // Returns the current Google homepage URL.
   const GURL& google_url() const { return google_url_; }
 
   // Requests that the tracker perform a server check to update the Google URL
-  // as necessary.  If |force| is false, this will happen at most once per
-  // network change, not sooner than five seconds after startup (checks
-  // requested before that time will occur then; checks requested afterwards
-  // will occur immediately, if no other checks have been made during this run).
-  // If |force| is true, and the tracker has already performed any requested
-  // check, it will check again.
-  void RequestServerCheck(bool force);
+  // as necessary.  This will happen at most once per network change, not sooner
+  // than five seconds after startup (checks requested before that time will
+  // occur then; checks requested afterwards will occur immediately, if no other
+  // checks have been made during this run).
+  void RequestServerCheck();
 
   std::unique_ptr<Subscription> RegisterCallback(
       const OnGoogleURLUpdatedCallback& cb);
 
  private:
   friend class GoogleURLTrackerTest;
   friend class SyncTest;
 
   static const char kSearchDomainCheckURL[];
 
@@ skipping 33 matching lines @@
                            // updated URL.  If this is never set, we won't
                            // bother to fetch anything.
                            // Consumers should register a callback via
                            // RegisterCallback().
   base::WeakPtrFactory<GoogleURLTracker> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTracker);
 };
 
 #endif  // COMPONENTS_GOOGLE_CORE_BROWSER_GOOGLE_URL_TRACKER_H_