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

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 2013 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/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 4054 matching lines @@
 
   // Create indexed db. Similarly, it is enough to only simulate this by
   // creating the directory on the disk.
   IndexedDBContext* idb_context =
       BrowserContext::GetDefaultStoragePartition(profile_.get())->
           GetIndexedDBContext();
   idb_context->SetTaskRunnerForTesting(
       base::MessageLoop::current()->message_loop_proxy().get());
   base::FilePath idb_path = idb_context->GetFilePathForTesting(origin_id);
   EXPECT_TRUE(file_util::CreateDirectory(idb_path));
-  EXPECT_TRUE(file_util::DirectoryExists(idb_path));
+  EXPECT_TRUE(base::DirectoryExists(idb_path));
 
   // Uninstall the extension.
   service_->UninstallExtension(good_crx, false, NULL);
   loop_.RunUntilIdle();
 
   // Check that the cookie is gone.
   cookie_monster->GetAllCookiesForURLAsync(
        ext_url,
        base::Bind(&ExtensionCookieCallback::GetAllCookiesCallback,
                   base::Unretained(&callback)));
   loop_.RunUntilIdle();
   EXPECT_EQ(0U, callback.list_.size());
 
   // The database should have vanished as well.
   origins.clear();
   db_tracker->GetAllOriginsInfo(&origins);
   EXPECT_EQ(0U, origins.size());
 
   // Check that the LSO file has been removed.
   EXPECT_FALSE(base::PathExists(lso_file_path));
 
   // Check if the indexed db has disappeared too.
-  EXPECT_FALSE(file_util::DirectoryExists(idb_path));
+  EXPECT_FALSE(base::DirectoryExists(idb_path));
 }
 
 // Verifies app state is removed upon uninstall.
 TEST_F(ExtensionServiceTest, ClearAppData) {
   InitializeEmptyExtensionService();
   InitializeRequestContext();
   ExtensionCookieCallback callback;
 
   int pref_count = 0;
 
@@ skipping 73 matching lines @@
 
   // Create indexed db. Similarly, it is enough to only simulate this by
   // creating the directory on the disk.
   IndexedDBContext* idb_context =
       BrowserContext::GetDefaultStoragePartition(profile_.get())->
           GetIndexedDBContext();
   idb_context->SetTaskRunnerForTesting(
       base::MessageLoop::current()->message_loop_proxy().get());
   base::FilePath idb_path = idb_context->GetFilePathForTesting(origin_id);
   EXPECT_TRUE(file_util::CreateDirectory(idb_path));
-  EXPECT_TRUE(file_util::DirectoryExists(idb_path));
+  EXPECT_TRUE(base::DirectoryExists(idb_path));
 
   // Uninstall one of them, unlimited storage should still be granted
   // to the origin.
   UninstallExtension(id1, false);
   EXPECT_EQ(1u, service_->extensions()->size());
   EXPECT_TRUE(profile_->GetExtensionSpecialStoragePolicy()->
       IsStorageUnlimited(origin1));
 
   // Check that the cookie is still there.
   cookie_monster->GetAllCookiesForURLAsync(
@@ skipping 19 matching lines @@
 
   // The database should have vanished as well.
   origins.clear();
   db_tracker->GetAllOriginsInfo(&origins);
   EXPECT_EQ(0U, origins.size());
 
   // Check that the LSO file has been removed.
   EXPECT_FALSE(base::PathExists(lso_file_path));
 
   // Check if the indexed db has disappeared too.
-  EXPECT_FALSE(file_util::DirectoryExists(idb_path));
+  EXPECT_FALSE(base::DirectoryExists(idb_path));
 }
 
 // Tests loading single extensions (like --load-extension)
 // Flaky crashes. http://crbug.com/231806
 TEST_F(ExtensionServiceTest, DISABLED_LoadExtension) {
   InitializeEmptyExtensionService();
 
   base::FilePath ext1 = data_dir_
       .AppendASCII("good")
       .AppendASCII("Extensions")
@@ skipping 2029 matching lines @@
   provider->UpdateOrAddExtension(updates_from_webstore, "1", crx_path);
 
   service_->CheckForExternalUpdates();
   content::WindowedNotificationObserver(
       chrome::NOTIFICATION_CRX_INSTALLER_DONE,
       content::NotificationService::AllSources()).Wait();
   EXPECT_TRUE(extensions::HasExternalInstallError(service_));
   EXPECT_FALSE(extensions::HasExternalInstallBubble(service_));
   EXPECT_FALSE(service_->IsExtensionEnabled(updates_from_webstore));
 }