Actually delete databases in CookiesTreeModel.

base/file_util_unittest.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #include <shlobj.h>
 #include <tchar.h>
@@ skipping 1370 matching lines @@
       FilePath(foo.value() + FILE_PATH_LITERAL("/bar.txt"))));
 #elif defined(OS_MACOSX)
   // We can't really do this test on OS X since the case-sensitivity of the
   // filesystem is configurable.
 #elif defined(OS_POSIX)
   EXPECT_FALSE(file_util::ContainsPath(foo,
       foo_caps.Append(FILE_PATH_LITERAL("bar.txt"))));
 #endif
 }
 
+TEST_F(FileUtilTest, LastModified) {
+  FilePath data_dir = test_dir_.Append(FILE_PATH_LITERAL("FilePathTest"));
+
+  // Create a fresh, empty copy of this directory.
+  if (file_util::PathExists(data_dir)) {
+    ASSERT_TRUE(file_util::Delete(data_dir, true));
+  }
+  ASSERT_TRUE(file_util::CreateDirectory(data_dir));
+
+  FilePath foobar(data_dir.Append(FILE_PATH_LITERAL("foobar.txt")));
+  std::string data("hello");
+  ASSERT_TRUE(file_util::WriteFile(foobar, data.c_str(), data.length()));
+
+  base::Time modification_time;
+  // Note that this timestamp is divisible by two (seconds) - FAT stores
+  // modification times with 2s resolution.
+  ASSERT_TRUE(base::Time::FromString(L"Tue, 15 Nov 1994, 12:45:26 GMT",
+              &modification_time));
+  ASSERT_TRUE(file_util::SetLastModifiedTime(foobar, modification_time));
+  file_util::FileInfo file_info;
+  ASSERT_TRUE(file_util::GetFileInfo(foobar, &file_info));
+  ASSERT_TRUE(file_info.last_modified == modification_time);
+}
+
 }  // namespace