Enable dictionary sync by default

chrome/browser/sync/test/integration/multiple_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 "base/string_number_conversions.h"
 #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"
 #include "chrome/common/spellcheck_common.h"
 
 class MultipleClientDictionarySyncTest : public SyncTest {
  public:
   MultipleClientDictionarySyncTest() : SyncTest(MULTIPLE_CLIENT) {}
   virtual ~MultipleClientDictionarySyncTest() {}
 
-  virtual void AddOptionalTypesToCommandLine(CommandLine* cl) OVERRIDE {
-    dictionary_helper::EnableDictionarySync(cl);
-  }
-
  private:
   DISALLOW_COPY_AND_ASSIGN(MultipleClientDictionarySyncTest);
 };
 
 IN_PROC_BROWSER_TEST_F(MultipleClientDictionarySyncTest, AddToOne) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   dictionary_helper::LoadDictionaries();
   ASSERT_TRUE(dictionary_helper::DictionariesMatch());
 
   ASSERT_TRUE(dictionary_helper::AddWord(0, "foo"));
@@ skipping 71 matching lines @@
         dictionary_helper::GetDictionarySize(i));
   }
 
   // Client #0 should still have only 1300 words after syncing all other
   // clients, because it has the same data as the sync server.
   ASSERT_EQ(chrome::spellcheck_common::MAX_SYNCABLE_DICTIONARY_WORDS,
             dictionary_helper::GetDictionarySize(0));
 
   MessageLoop::current()->RunUntilIdle();
 }