Start migrating the disk cache to using FilePath.

net/disk_cache/disk_cache_test_base.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 "net/disk_cache/disk_cache_test_base.h"
 
 #include "net/disk_cache/backend_impl.h"
 #include "net/disk_cache/disk_cache_test_util.h"
 #include "net/disk_cache/mem_backend_impl.h"
 
@@ skipping 39 matching lines @@
 
   ASSERT_TRUE(mem_cache_->Init());
 }
 
 void DiskCacheTestWithCache::InitDiskCache() {
   std::wstring path = GetCachePath();
   if (first_cleanup_)
     ASSERT_TRUE(DeleteCache(path.c_str()));
 
   if (implementation_)
-    return InitDiskCacheImpl(path);
+    return InitDiskCacheImpl(FilePath::FromWStringHack(path));
 
   cache_ = disk_cache::BackendImpl::CreateBackend(path, force_creation_, size_,
                                                   net::DISK_CACHE,
                                                   disk_cache::kNoRandom);
 }
 
-void DiskCacheTestWithCache::InitDiskCacheImpl(const std::wstring& path) {
+void DiskCacheTestWithCache::InitDiskCacheImpl(const FilePath& path) {
   if (mask_)
     cache_impl_ = new disk_cache::BackendImpl(path, mask_);
   else
     cache_impl_ = new disk_cache::BackendImpl(path);
 
   cache_ = cache_impl_;
   ASSERT_TRUE(NULL != cache_);
 
   if (size_)
     EXPECT_TRUE(cache_impl_->SetMaxSize(size_));
@@ skipping 19 matching lines @@
 
 // We are expected to leak memory when simulating crashes.
 void DiskCacheTestWithCache::SimulateCrash() {
   ASSERT_TRUE(implementation_ && !memory_only_);
   cache_impl_->ClearRefCountForTest();
 
   delete cache_impl_;
   std::wstring path = GetCachePath();
   EXPECT_TRUE(CheckCacheIntegrity(path, new_eviction_));
 
-  InitDiskCacheImpl(path);
+  InitDiskCacheImpl(FilePath::FromWStringHack(path));
 }
 
 void DiskCacheTestWithCache::SetTestMode() {
   ASSERT_TRUE(implementation_ && !memory_only_);
   cache_impl_->SetUnitTestMode();
 }