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      1 // Copyright (c) 2011 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_HELPER_BROWSERTEST_H_
      8 #define CHROME_BROWSER_BROWSING_DATA_HELPER_BROWSERTEST_H_
      9 #pragma once
     10 
     11 #include <vector>
     12 
     13 #include "base/basictypes.h"
     14 #include "base/logging.h"
     15 #include "base/message_loop.h"
     16 
     17 // This template can be used for the StartFetching methods of the browsing data
     18 // helper classes. It is supposed to be instantiated with the respective
     19 // browsing data info type.
     20 template <typename T>
     21 class BrowsingDataHelperCallback {
     22  public:
     23   BrowsingDataHelperCallback()
     24       : has_result_(false) {
     25   }
     26 
     27   const std::vector<T>& result() {
     28     MessageLoop::current()->Run();
     29     DCHECK(has_result_);
     30     return result_;
     31   }
     32 
     33   void callback(const std::vector<T>& info) {
     34     result_ = info;
     35     has_result_ = true;
     36     MessageLoop::current()->Quit();
     37   }
     38 
     39  private:
     40   bool has_result_;
     41   std::vector<T> result_;
     42 
     43   DISALLOW_COPY_AND_ASSIGN(BrowsingDataHelperCallback);
     44 };
     45 
     46 #endif  // CHROME_BROWSER_BROWSING_DATA_HELPER_BROWSERTEST_H_
     47