Move PathExists to base namespace.

chrome_frame/test/mock_ie_event_sink_actions.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_
 #define CHROME_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_
 
 #include <windows.h>
 #include <algorithm>
 #include <string>
@@ skipping 367 matching lines @@
   EXPECT_TRUE(got_selection);
   if (got_selection) {
     EXPECT_EQ(expected_text, actual_text);
   }
 }
 
 // Polling actions
 
 ACTION_P3(CloseWhenFileSaved, mock, file, timeout_ms) {
   base::Time start = base::Time::Now();
-  while (!file_util::PathExists(file)) {
+  while (!base::PathExists(file)) {
     if ((base::Time::Now() - start).InMilliseconds() > timeout_ms) {
       ADD_FAILURE() << "File was not saved within timeout";
       TakeSnapshotAndLog();
       break;
     }
     base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200));
   }
   mock->event_sink()->CloseWebBrowser();
 }
 
 ACTION_P2(WaitForFileSave, file, timeout_ms) {
   base::Time start = base::Time::Now();
-  while (!file_util::PathExists(file)) {
+  while (!base::PathExists(file)) {
     base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(200));
     if ((base::Time::Now() - start).InMilliseconds() > timeout_ms) {
       ADD_FAILURE() << "File was not saved within timeout";
       TakeSnapshotAndLog();
       break;
     }
   }
 }
 
 // Flaky actions
@@ skipping 29 matching lines @@
 
   loop->PostDelayedTask(
       FROM_HERE,
       base::Bind(simulate_input::SendCharA, VK_RETURN, simulate_input::NONE),
       next_delay);
 }
 
 }  // namespace chrome_frame_test
 
 #endif  // CHROME_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_