Remove the flash specific disk cache backend.

net/disk_cache/flash/flash_cache_test_base.h

-// Copyright (c) 2012 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 NET_DISK_CACHE_DISK_CACHE_FLASH_TEST_BASE_H_
-#define NET_DISK_CACHE_DISK_CACHE_FLASH_TEST_BASE_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/memory/scoped_ptr.h"
-#include "net/disk_cache/flash/format.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-const int32 kNumTestSegments = 10;
-const int32 kStorageSize = kNumTestSegments * disk_cache::kFlashSegmentSize;
-
-}  // namespace
-
-namespace disk_cache {
-
-class LogStore;
-
-}  // namespace disk_cache
-
-class FlashCacheTest : public testing::Test {
- protected:
-  FlashCacheTest();
-  virtual ~FlashCacheTest();
-
-  virtual void SetUp() OVERRIDE;
-  virtual void TearDown() OVERRIDE;
-
-  base::ScopedTempDir temp_dir_;
-  base::FilePath path_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(FlashCacheTest);
-};
-
-#endif  // NET_DISK_CACHE_DISK_CACHE_FLASH_TEST_BASE_H_