First step to port file_util::CountFilesCreatedAfter()....

chrome/test/ui/ui_test.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 "chrome/test/ui/ui_test.h"
 
 #include <set>
 #include <vector>
 
 #include "base/base_switches.h"
@@ skipping 95 matching lines @@
       expected_crashes_(0),
       homepage_(L"about:blank"),
       wait_for_initial_loads_(true),
       dom_automation_enabled_(false),
       process_(0),  // NULL on Windows, 0 PID on POSIX.
       show_window_(false),
       clear_profile_(true),
       include_testing_id_(true),
       use_existing_browser_(default_use_existing_browser_),
       enable_file_cookies_(true),
+      test_start_time_(base::Time::Now()),
       command_execution_timeout_ms_(kMaxTestExecutionTime),
       action_timeout_ms_(kWaitForActionMsec),
       action_max_timeout_ms_(kWaitForActionMaxMsec),
       sleep_timeout_ms_(kWaitForActionMsec) {
   PathService::Get(chrome::DIR_APP, &browser_directory_);
   PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory_);
-#if defined(OS_WIN)
-  GetSystemTimeAsFileTime(&test_start_time_);
-#else
-  // http://code.google.com/p/chromium/issues/detail?id=9833
-#endif
 }
 
 void UITest::SetUp() {
   if (!use_existing_browser_) {
     AssertAppNotRunning(L"Please close any other instances "
                         L"of the app before testing.");
   }
 
   // Pass the test case name to chrome.exe on the command line to help with
   // parsing Purify output.
@@ skipping 24 matching lines @@
     logging::AssertionList::const_iterator iter = assertions.begin();
     for (; iter != assertions.end(); ++iter) {
       failures.append(L"\n\n");
       failures.append(*iter);
     }
   }
   EXPECT_EQ(expected_errors_, assertions.size()) << failures;
 
 #if defined(OS_WIN)
   // Check for crashes during the test
-  std::wstring crash_dump_path;
+  FilePath crash_dump_path;
   PathService::Get(chrome::DIR_CRASH_DUMPS, &crash_dump_path);
   // Each crash creates two dump files, so we divide by two here.
   int actual_crashes =
     file_util::CountFilesCreatedAfter(crash_dump_path, test_start_time_) / 2;
   std::wstring error_msg =
       L"Encountered an unexpected crash in the program during this test.";
   if (expected_crashes_ > 0 && actual_crashes == 0) {
     error_msg += L"  ";
     error_msg += kFailedNoCrashService;
   }
@@ skipping 670 matching lines @@
 }
 
 bool UITest::EvictFileFromSystemCacheWrapper(const FilePath& path) {
   for (int i = 0; i < 10; i++) {
     if (file_util::EvictFileFromSystemCache(path))
       return true;
     PlatformThread::Sleep(1000);
   }
   return false;
 }