Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/safe_browsing/safe_browsing_service_browsertest.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.
 //
 // This test creates a safebrowsing service using test safebrowsing database
 // and a test protocol manager. It is used to test logics in safebrowsing
 // service.
 
 #include <algorithm>
 
@@ skipping 427 matching lines @@
   // owned by the SafeBrowsingServiceTest object so that it will not get
   // destructed until after the test Browser has been torn down, since the
   // ImportantFileWriter may still be modifying it after the Profile object has
   // been destroyed.
   base::ScopedTempDir temp_profile_dir_;
 
   // Waits for pending tasks on the IO thread to complete. This is useful
   // to wait for the SafeBrowsingService to finish loading/stopping.
   void WaitForIOThread() {
     scoped_refptr<base::ThreadTestHelper> io_helper(new base::ThreadTestHelper(
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
+        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get()));
     ASSERT_TRUE(io_helper->Run());
   }
 
  private:
   TestSafeBrowsingDatabaseFactory db_factory_;
   TestSBProtocolManagerFactory pm_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingServiceTest);
 };
 
@@ skipping 527 matching lines @@
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
       content::Source<SafeBrowsingDatabaseManager>(
           sb_service_->database_manager().get()));
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&SafeBrowsingDatabaseManagerCookieTest::ForceUpdate, this));
   observer.Wait();
 }