We don't need stats table in unit tests.

chrome/test/unit/chrome_test_suite.h

 // Copyright (c) 2006-2008 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_UNIT_CHROME_TEST_SUITE_H_
 #define CHROME_TEST_UNIT_CHROME_TEST_SUITE_H_
 
 #include "build/build_config.h"
 
 #include <string>
 
 #include "app/app_paths.h"
 #include "app/resource_bundle.h"
-#include "base/stats_table.h"
 #include "base/file_util.h"
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
 #endif
 #include "base/path_service.h"
 #include "base/ref_counted.h"
 #include "base/scoped_nsautorelease_pool.h"
 #include "base/test_suite.h"
 #include "chrome/app/scoped_ole_initializer.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 73 matching lines @@
     FilePath path;
     PathService::Get(base::DIR_EXE, &path);
     path = path.AppendASCII(MAC_BROWSER_APP_NAME);
     mac_util::SetOverrideAppBundlePath(path);
 #endif
 
     // Force unittests to run using en-us so if we test against string
     // output, it'll pass regardless of the system language.
     ResourceBundle::InitSharedInstance(L"en-us");
     ResourceBundle::GetSharedInstance().LoadThemeResources();
-
-    // initialize the global StatsTable for unit_tests
-    std::string statsfile = "unit_tests";
-    std::string pid_string = StringPrintf("-%d", base::GetCurrentProcId());
-    statsfile += pid_string;
-    stats_table_ = new StatsTable(statsfile, 20, 200);
-    StatsTable::set_current(stats_table_);
   }
 
   virtual void Shutdown() {
     ResourceBundle::CleanupSharedInstance();
 
 #if defined(OS_MACOSX)
     mac_util::SetOverrideAppBundle(NULL);
 #endif
 
     delete g_browser_process;
     g_browser_process = NULL;
 
-    // Tear down shared StatsTable; prevents unit_tests from leaking it.
-    StatsTable::set_current(NULL);
-    delete stats_table_;
-
     // Delete the test_user_data dir recursively
     FilePath user_data_dir;
     if (PathService::Get(chrome::DIR_USER_DATA, &user_data_dir) &&
         !user_data_dir.empty()) {
       file_util::Delete(user_data_dir, true);
       file_util::Delete(user_data_dir.DirName(), false);
     }
     TestSuite::Shutdown();
   }
 
-  StatsTable* stats_table_;
   ScopedOleInitializer ole_initializer_;
   scoped_refptr<WarningHostMapper> host_mapper_;
   net::ScopedHostMapper scoped_host_mapper_;
 };
 
 #endif  // CHROME_TEST_UNIT_CHROME_TEST_SUITE_H_