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

chrome/browser/sync/test/integration/extension_settings_helper.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/sync/test/integration/extension_settings_helper.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
 using content::BrowserThread;
 using extensions::ExtensionRegistry;
 using sync_datatype_helper::test;
 
 namespace extension_settings_helper {
 
 namespace {
 
 std::string ToJson(const base::Value& value) {
   std::string json;
-  base::JSONWriter::WriteWithOptions(&value,
-                                     base::JSONWriter::OPTIONS_PRETTY_PRINT,
-                                     &json);
+  base::JSONWriter::WriteWithOptions(
+      value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &json);
   return json;
 }
 
 void GetAllSettingsOnFileThread(base::DictionaryValue* out,
                                 base::WaitableEvent* signal,
                                 ValueStore* storage) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   out->Swap(&storage->Get()->settings());
   signal->Signal();
 }
@@ skipping 71 matching lines @@
   bool all_profiles_same = true;
   for (int i = 0; i < test()->num_clients(); ++i) {
     // &= so that all profiles are tested; analogous to EXPECT over ASSERT.
     all_profiles_same &=
         AreSettingsSame(test()->verifier(), test()->GetProfile(i));
   }
   return all_profiles_same;
 }
 
 }  // namespace extension_settings_helper