Remove logging.h from cc files that don't use it.

chrome/installer/util/set_reg_value_work_item_unittest.cc

 // 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.
 
 #include <windows.h>
 
 #include "base/file_util.h"
-#include "base/logging.h"
 #include "base/registry.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "chrome/installer/util/set_reg_value_work_item.h"
 #include "chrome/installer/util/work_item.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
   wchar_t test_root[] = L"TempTemp";
   wchar_t data_str_1[] = L"data_111";
@@ skipping 199 matching lines @@
   std::wstring data(data_str_1);
   scoped_ptr<SetRegValueWorkItem> work_item(
       WorkItem::CreateSetRegValueWorkItem(HKEY_CURRENT_USER, parent_key,
                                           name, data, false));
   EXPECT_FALSE(work_item->Do());
 
   work_item.reset(WorkItem::CreateSetRegValueWorkItem(HKEY_CURRENT_USER,
       parent_key, name, dword1, false));
   EXPECT_FALSE(work_item->Do());
 }