|  | // Copyright (c) 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 "base/test/test_file_util.h" | 
|  |  | 
|  | #include "base/test/test_timeouts.h" | 
|  | #include "base/threading/platform_thread.h" | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | bool EvictFileFromSystemCacheWithRetry(const FilePath& path) { | 
|  | const int kCycles = 10; | 
|  | const TimeDelta kDelay = TestTimeouts::action_timeout() / kCycles; | 
|  | for (int i = 0; i < kCycles; i++) { | 
|  | if (EvictFileFromSystemCache(path)) | 
|  | return true; | 
|  | PlatformThread::Sleep(kDelay); | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | // Declared in base/files/file_path.h. | 
|  | void PrintTo(const FilePath& path, std::ostream* out) { | 
|  | *out << path.value(); | 
|  | } | 
|  |  | 
|  | }  // namespace base |