Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/browser/page_cycler/page_cycler_unittest.cc

 // 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.
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 11 matching lines @@
 #include "content/public/test/test_browser_thread.h"
 #include "net/base/net_errors.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::Invoke;
 using content::RenderViewHost;
 using content::TestBrowserThread;
 using content::WebContentsObserver;
-using file_util::ContentsEqual;
+using base::ContentsEqual;
 using base::PathExists;
 
 namespace {
 const int kFrameID = 1;
 const bool kIsMainFrame = true;
 const GURL kAboutURL = GURL(content::kAboutBlankURL);
 }  // namespace
 
 class MockPageCycler : public PageCycler {
  public:
@@ skipping 303 matching lines @@
       .WillRepeatedly(Invoke(page_cycler(),
                              &MockPageCycler::PageCyclerDidFinishLoad));
 
   for (int i = 0; i < kNumLoads; ++i)
     FinishLoad();
 
   PumpLoop();
   EXPECT_FALSE(PathExists(errors_file()));
   ASSERT_TRUE(PathExists(stats_file()));
 }