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

chrome/browser/prefs/chrome_pref_service_unittest.cc

 // Copyright (c) 2013 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 "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/prefs/pref_registry_simple.h"
@@ skipping 80 matching lines @@
 // Verifies that ListValue and DictionaryValue pref with non emtpy default
 // preserves its empty value.
 TEST_F(ChromePrefServiceUserFilePrefsTest, PreserveEmptyValue) {
   base::FilePath pref_file = temp_dir_.path().AppendASCII("write.json");
 
   ASSERT_TRUE(file_util::CopyFile(
       data_dir_.AppendASCII("read.need_empty_value.json"),
       pref_file));
 
   PrefServiceMockBuilder builder;
-  builder.WithUserFilePrefs(pref_file, message_loop_.message_loop_proxy());
+  builder.WithUserFilePrefs(pref_file,
+                            message_loop_.message_loop_proxy().get());
   scoped_refptr<user_prefs::PrefRegistrySyncable> registry(
       new user_prefs::PrefRegistrySyncable);
   scoped_ptr<PrefServiceSyncable> prefs(builder.CreateSyncable(registry.get()));
 
   // Register testing prefs.
   registry->RegisterListPref("list",
                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterDictionaryPref(
       "dict",
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
@@ skipping 73 matching lines @@
   const char kDefaultFont[] = "Times";
 #elif defined(OS_CHROMEOS)
   const char kDefaultFont[] = "Tinos";
 #else
   const char kDefaultFont[] = "Times New Roman";
 #endif
   EXPECT_EQ(ASCIIToUTF16(kDefaultFont),
             webkit_prefs.standard_font_family_map[prefs::kWebKitCommonScript]);
   EXPECT_TRUE(webkit_prefs.javascript_enabled);
 }