Remove implicit scoped_refptr operator T*

chrome/browser/safe_browsing/browser_feature_extractor.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/safe_browsing/browser_feature_extractor.h"
 
 #include <map>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 424 matching lines @@
     return true;
   }
   return false;
 }
 
 bool BrowserFeatureExtractor::GetHistoryService(HistoryService** history) {
   *history = NULL;
   if (tab_ && tab_->GetBrowserContext()) {
     Profile* profile = Profile::FromBrowserContext(tab_->GetBrowserContext());
     *history = HistoryServiceFactory::GetForProfile(profile,
-                                                    Profile::EXPLICIT_ACCESS);
+                                                    Profile::EXPLICIT_ACCESS).
+        get();
     if (*history) {
       return true;
     }
   }
   VLOG(2) << "Unable to query history.  No history service available.";
   return false;
 }
 
 }  // namespace safe_browsing