Remove IPC dependency from base

chrome/test/base/chrome_unit_test_suite.h

 // Copyright 2013 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_TEST_BASE_CHROME_UNIT_TEST_SUITE_H_
 #define CHROME_TEST_BASE_CHROME_UNIT_TEST_SUITE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 14 matching lines @@
   virtual void Initialize() OVERRIDE;
   virtual void Shutdown() OVERRIDE;
 
   // These methods allow unit tests which run in the browser_test binary, and so
   // which don't exercise the initialization in this test suite, to do basic
   // setup which this class does.
   static void InitializeProviders();
   static void InitializeResourceBundle();
 
  private:
-  std::string stats_filename_;
   scoped_ptr<base::StatsTable> stats_table_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeUnitTestSuite);
 };
 
 #endif  // CHROME_TEST_BASE_CHROME_UNIT_TEST_SUITE_H_