FBTF: Forward declare everything possible in testing_profile.h

chrome/browser/browsing_data_local_storage_helper_browsertest.cc

 // Copyright (c) 2009 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 <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
+#include "base/file_util.h"
 #include "base/ref_counted.h"
 #include "chrome/browser/in_process_webkit/webkit_context.h"
 #include "chrome/browser/in_process_webkit/webkit_thread.h"
 #include "chrome/browser/browsing_data_local_storage_helper.h"
 #include "chrome/test/in_process_browser_test.h"
 #include "chrome/test/testing_profile.h"
 #include "chrome/test/ui_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 static const FilePath::CharType kTestFile0[] =
@@ skipping 124 matching lines @@
       file_util::FileEnumerator::FILES);
   int num_files = 0;
   for (FilePath file_path = file_enumerator.Next();
        !file_path.empty();
        file_path = file_enumerator.Next()) {
     ASSERT_FALSE(FilePath(kTestFile0) == file_path.BaseName());
     ++num_files;
   }
   ASSERT_EQ(3, num_files);
 }