Remove //net (except for Android test stuff) and sdch

net/disk_cache/simple/simple_test_util.cc

-// 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.
-
-#include "net/disk_cache/simple/simple_test_util.h"
-
-#include "base/files/file.h"
-#include "base/files/file_path.h"
-#include "net/disk_cache/simple/simple_util.h"
-
-namespace disk_cache {
-namespace simple_util {
-
-bool CreateCorruptFileForTests(const std::string& key,
-                               const base::FilePath& cache_path) {
-  base::FilePath entry_file_path = cache_path.AppendASCII(
-      disk_cache::simple_util::GetFilenameFromKeyAndFileIndex(key, 0));
-  int flags = base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE;
-  base::File entry_file(entry_file_path, flags);
-
-  if (!entry_file.IsValid())
-    return false;
-
-  return entry_file.Write(0, "dummy", 1) == 1;
-}
-
-}  // namespace simple_util
-}  // namespace disk_cache