Fix app_shell shutdown crash due to BrowserContextKeyedServices

chrome/browser/chromeos/file_manager/file_manager_browsertest.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.
 
 // Browser test for basic Chrome OS file manager functionality:
 //  - The file list is updated when a file is added externally to the Downloads
 //    folder.
 //  - Selecting a file and copy-pasting it with the keyboard copies the file.
 //  - Selecting a file and pressing delete deletes it.
 
@@ skipping 258 matching lines @@
                       integration_service_(NULL) {
   }
 
   // Sends request to add this volume to the file system as Google drive.
   // This method must be calld at SetUp method of FileManagerBrowserTestBase.
   // Returns true on success.
   bool SetUp() {
     if (!test_cache_root_.CreateUniqueTempDir())
       return false;
     drive::DriveIntegrationServiceFactory::SetFactoryForTest(
-        base::Bind(&DriveTestVolume::CreateDriveIntegrationService,
-                   base::Unretained(this)));
+        &DriveTestVolume::OnCreateDriveIntegrationService,
+        this);
     return true;
   }
 
+  static drive::DriveIntegrationService* OnCreateDriveIntegrationService(
+      Profile* profile, void* data) {
+    DriveTestVolume* self = static_cast<DriveTestVolume*>(data);
+    return self->CreateDriveIntegrationService(profile);
+  }
+
   void CreateEntry(const TestEntryInfo& entry) {
     const base::FilePath path =
         base::FilePath::FromUTF8Unsafe(entry.target_path);
     const std::string target_name = path.BaseName().AsUTF8Unsafe();
 
     // Obtain the parent entry.
     drive::FileError error = drive::FILE_ERROR_OK;
     scoped_ptr<drive::ResourceEntry> parent_entry(new drive::ResourceEntry);
     integration_service_->file_system()->GetResourceEntry(
         drive::util::GetDriveMyDriveRootPath().Append(path).DirName(),
@@ skipping 447 matching lines @@
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "searchBoxFocus")));
 
 INSTANTIATE_TEST_CASE_P(
     Thumbnails,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "thumbnailsDownloads"),
                       TestParameter(IN_GUEST_MODE, "thumbnailsDownloads")));
 
 }  // namespace
 }  // namespace file_manager