Avoids the use of ToWStringHack in a few places....

chrome/browser/privacy_blacklist/blacklist_unittest.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 "chrome/browser/privacy_blacklist/blacklist.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(BlacklistTest, Generic) {
   // Get path relative to test data dir.
-  std::wstring input;
+  FilePath input;
   PathService::Get(chrome::DIR_TEST_DATA, &input);
-  file_util::AppendToPath(&input, L"blacklist_small.pbr");
+  input = input.AppendASCII("blacklist_small.pbr");
 
-  FilePath path = FilePath::FromWStringHack(input);
-  Blacklist blacklist(path);
+  Blacklist blacklist(input);
 
   // This test is a friend, so inspect the internal structures.
   EXPECT_EQ(5U, blacklist.blacklist_.size());
   std::vector<Blacklist::Entry*>::const_iterator i =
       blacklist.blacklist_.begin();
 
   EXPECT_EQ(Blacklist::kBlockByType|Blacklist::kDontPersistCookies,
             (*i)->attributes());
   EXPECT_TRUE((*i)->MatchType("application/x-shockwave-flash"));
   EXPECT_FALSE((*i)->MatchType("image/jpeg"));
@@ skipping 174 matching lines @@
   EXPECT_TRUE(Blacklist::Matches("really@bad", "really.com/bad"));
   EXPECT_TRUE(Blacklist::Matches("really@bad", "really.com/path/bad"));
   EXPECT_TRUE(Blacklist::Matches("really@bad", "really.evil.com/path/bad"));
   EXPECT_FALSE(Blacklist::Matches("really@bad", "really.bad.com"));
   EXPECT_FALSE(Blacklist::Matches("really@bad", "reallybad"));
   EXPECT_FALSE(Blacklist::Matches("really@bad", ".reallybad"));
   EXPECT_FALSE(Blacklist::Matches("really@bad", "reallybad."));
   EXPECT_FALSE(Blacklist::Matches("really@bad", "really.bad."));
   EXPECT_FALSE(Blacklist::Matches("really@bad", ".really.bad"));
 }