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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_STATUS_CHANGE_CHECKER_H_
      6 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_STATUS_CHANGE_CHECKER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/callback.h"
     10 #include "base/compiler_specific.h"
     11 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
     12 
     13 // Used to check if a desired change in the state of the sync engine has taken
     14 // place. Used by the desktop sync integration tests.
     15 class StatusChangeChecker {
     16  public:
     17   typedef base::Callback<bool()> StatusChangeCallback;
     18 
     19   StatusChangeChecker(StatusChangeCallback callback,
     20                       const std::string& callback_name);
     21   ~StatusChangeChecker();
     22   bool IsExitConditionSatisfied();
     23   std::string callback_name() const { return callback_name_; }
     24 
     25  private:
     26   // Evaluates whether the condition we are waiting on has been satisfied.
     27   StatusChangeCallback callback_;
     28 
     29   // The name of the callback. Used for logging.
     30   std::string callback_name_;
     31 
     32   DISALLOW_COPY_AND_ASSIGN(StatusChangeChecker);
     33 };
     34 
     35 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_STATUS_CHANGE_CHECKER_H_
     36