Turn VariationsService::GetVariationsServerURL into instance method

chrome/browser/metrics/variations/variations_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 91 matching lines @@
   // value coming from policy prefs. This should be called prior to any calls
   // to |StartRepeatedVariationsSeedFetch|.
   void SetRestrictMode(const std::string& restrict_mode);
 
   // Exposed for testing.
   void SetCreateTrialsFromSeedCalledForTesting(bool called);
 
   // Returns the variations server URL, which can vary if a command-line flag is
   // set and/or the variations restrict pref is set in |local_prefs|. Declared
   // static for test purposes.
-  static GURL GetVariationsServerURL(PrefService* local_prefs,
-                                     const std::string& restrict_mode_override);
+  GURL GetVariationsServerURL(PrefService* local_prefs,
+                              const std::string& restrict_mode_override);
 
   // Exposed for testing.
   static std::string GetDefaultVariationsServerURLForTesting();
 
   // Register Variations related prefs in Local State.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   // Register Variations related prefs in the Profile prefs.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
@@ skipping 160 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<VariationsService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VariationsService);
 };
 
 }  // namespace chrome_variations
 
 #endif  // CHROME_BROWSER_METRICS_VARIATIONS_VARIATIONS_SERVICE_H_