Fix TestBrowserThread destruction order in CrOS tests.

chrome/browser/chromeos/file_manager/file_tasks_unittest.cc

 // Copyright 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/chromeos/file_manager/file_tasks.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 149 matching lines @@
   TaskDescriptor task;
   EXPECT_FALSE(ParseTaskID("invalid", &task));
 }
 
 TEST(FileManagerFileTasksTest, ParseTaskID_UnknownTaskType) {
   TaskDescriptor task;
   EXPECT_FALSE(ParseTaskID("app-id|unknown|action-id", &task));
 }
 
 TEST(FileManagerFileTasksTest, FindDriveAppTasks) {
+  // For DriveAppRegistry and TestingProfile, which check
+  // CurrentlyOn(BrowserThread::UI).
+  content::TestBrowserThreadBundle thread_bundle;
+
   TestingProfile profile;
-  // For DriveAppRegistry, which checks CurrentlyOn(BrowserThread::UI).
-  content::TestBrowserThreadBundle thread_bundle;
 
   // Foo.app can handle "text/plain" and "text/html"
   std::unique_ptr<google_apis::AppResource> foo_app(
       new google_apis::AppResource);
   foo_app->set_product_id("foo_app_id");
   foo_app->set_application_id("foo_app_id");
   foo_app->set_name("Foo");
   foo_app->set_object_type("foo_object_type");
   ScopedVector<std::string> foo_mime_types;
   foo_mime_types.push_back(new std::string("text/plain"));
@@ skipping 993 matching lines @@
   FindFileHandlerTasks(&test_profile_, entries, &tasks);
 
   ASSERT_EQ(1U, tasks.size());
   EXPECT_EQ(kFooId, tasks[0].task_descriptor().app_id);
   EXPECT_EQ("Foo", tasks[0].task_title());
   EXPECT_EQ(Verb::VERB_PACK_WITH, tasks[0].task_verb());
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager.