GTTF: Use a fresh TestingBrowserProcess for each test, part #4

chrome/browser/history/history_unittest_base.h

 // 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.
 
 #ifndef CHROME_BROWSER_HISTORY_HISTORY_UNITTEST_BASE_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_UNITTEST_BASE_H_
 
 #include "base/file_util.h"
+#include "chrome/test/testing_browser_process_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace history {
 // A base class for a history unit test. It provides the common test methods.
 //
-class HistoryUnitTestBase : public testing::Test {
+class HistoryUnitTestBase : public TestingBrowserProcessTest {
  public:
   virtual ~HistoryUnitTestBase();
 
   // Executes the sql from the file |sql_path| in the database at |db_path|.
   // |sql_path| is the SQL script file name with full path.
   // |db_path| is the db file name with full path.
   static void ExecuteSQLScript(const FilePath& sql_path,
                                const FilePath& db_path);
 
  protected:
   HistoryUnitTestBase();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HistoryUnitTestBase);
 };
 
 } // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_UNITTEST_BASE_H_