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      1 // Copyright (c) 2012 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 // Contains code shared by all browsing data browsertests.
      6 
      7 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_BROWSERTEST_H_
      8 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_BROWSERTEST_H_
      9 
     10 #include <list>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/logging.h"
     14 #include "base/message_loop/message_loop.h"
     15 
     16 // This template can be used for the StartFetching methods of the browsing data
     17 // helper classes. It is supposed to be instantiated with the respective
     18 // browsing data info type.
     19 template <typename T>
     20 class BrowsingDataHelperCallback {
     21  public:
     22   BrowsingDataHelperCallback()
     23       : has_result_(false) {
     24   }
     25 
     26   const std::list<T>& result() {
     27     base::MessageLoop::current()->Run();
     28     DCHECK(has_result_);
     29     return result_;
     30   }
     31 
     32   void callback(const std::list<T>& info) {
     33     result_ = info;
     34     has_result_ = true;
     35     base::MessageLoop::current()->Quit();
     36   }
     37 
     38  private:
     39   bool has_result_;
     40   std::list<T> result_;
     41 
     42   DISALLOW_COPY_AND_ASSIGN(BrowsingDataHelperCallback);
     43 };
     44 
     45 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_BROWSERTEST_H_
     46