sync: Refactor TwoClientPreferencesSyncTest

chrome/browser/sync/test/integration/preferences_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_PREFERENCES_HELPER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_PREFERENCES_HELPER_H_
 
 #include "base/files/file_path.h"
 #include "base/values.h"
 
@@ skipping 90 matching lines @@
 
 // Used to verify that the list preference with name |pref_name| has the
 // same value across all profiles. Also checks |verifier| if DisableVerifier()
 // hasn't been called.
 bool ListPrefMatches(const char* pref_name) WARN_UNUSED_RESULT;
 
 // This is the version of ListPrefMatches that waits for the preference list
 // to match in all profiles. Returns false if this operation times out.
 bool AwaitListPrefMatches(const char* pref_name) WARN_UNUSED_RESULT;
 
+// Blocks the test until the specified pref matches on all relevant clients or
+// a timeout occurs.  Returns false if it returns because of a timeout.
+bool AwaitBooleanPrefMatches(const char* pref_name) WARN_UNUSED_RESULT;
+
+// Blocks the test until the specified pref matches on all relevant clients or
+// a timeout occurs.  Returns false if it returns because of a timeout.
+bool AwaitIntegerPrefMatches(const char* pref_name) WARN_UNUSED_RESULT;
+
+// Blocks the test until the specified pref matches on all relevant clients or
+// a timeout occurs.  Returns false if it returns because of a timeout.
+bool AwaitStringPrefMatches(const char* pref_name) WARN_UNUSED_RESULT;
+
 }  // namespace preferences_helper
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_PREFERENCES_HELPER_H_