Enable dictionary sync by default

chrome/browser/sync/test/integration/single_client_dictionary_sync_test.cc

 // Copyright (c) 2011 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/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/dictionary_helper.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 
 class SingleClientDictionarySyncTest : public SyncTest {
  public:
   SingleClientDictionarySyncTest() : SyncTest(SINGLE_CLIENT) {}
   virtual ~SingleClientDictionarySyncTest() {}
 
-  virtual void AddOptionalTypesToCommandLine(CommandLine* cl) OVERRIDE {
-    dictionary_helper::EnableDictionarySync(cl);
-  }
-
  private:
   DISALLOW_COPY_AND_ASSIGN(SingleClientDictionarySyncTest);
 };
 
 IN_PROC_BROWSER_TEST_F(SingleClientDictionarySyncTest, Sanity) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   dictionary_helper::LoadDictionaries();
   ASSERT_TRUE(dictionary_helper::DictionariesMatch());
 
   std::string word = "foo";
   ASSERT_TRUE(dictionary_helper::AddWord(0, word));
   ASSERT_TRUE(GetClient(0)->AwaitFullSyncCompletion("Added a word"));
   ASSERT_TRUE(dictionary_helper::DictionariesMatch());
 
   ASSERT_TRUE(dictionary_helper::RemoveWord(0, word));
   ASSERT_TRUE(GetClient(0)->AwaitFullSyncCompletion("Removed a word"));
   ASSERT_TRUE(dictionary_helper::DictionariesMatch());
 
   MessageLoop::current()->RunUntilIdle();
 }