Convert JsonWriter::Write to taking a const ref for the in-param

chrome/browser/chromeos/extensions/accessibility_features_apitest.cc

 // 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.
 
 #include <string>
 #include <vector>
 
 #include "base/json/json_writer.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
@@ skipping 140 matching lines @@
     scoped_ptr<base::ListValue> enabled_list(new base::ListValue);
     for (size_t i = 0; i < enabled_features.size(); ++i)
       enabled_list->AppendString(enabled_features[i]);
     test_arg.Set(kEnabledFeaturesKey, enabled_list.release());
 
     scoped_ptr<base::ListValue> disabled_list(new base::ListValue);
     for (size_t i = 0; i < disabled_features.size(); ++i)
       disabled_list->AppendString(disabled_features[i]);
     test_arg.Set(kDisabledFeaturesKey, disabled_list.release());
 
-    return base::JSONWriter::Write(&test_arg, result);
+    return base::JSONWriter::Write(test_arg, result);
   }
 };
 
 INSTANTIATE_TEST_CASE_P(AccessibilityFeatureaApiTestInstantiatePermission,
                         AccessibilityFeaturesApiTest,
                         testing::Bool());
 
 // Tests that an extension with read permission can read accessibility features
 // state, while an extension that doesn't have the permission cannot.
 IN_PROC_BROWSER_TEST_P(AccessibilityFeaturesApiTest, Get) {
@@ skipping 96 matching lines @@
       InitPrefServiceForTest(GetPrefs(), disabled_features, enabled_features));
 
   // Catch the second result notification sent by the test extension.
   ResultCatcher result_catcher;
   ASSERT_TRUE(result_catcher.GetNextResult()) << result_catcher.message();
 }
 
 }  // namespace
 
 }  // namespace extensions