Remove #pragma once from sync

sync/internal_api/public/test/test_user_share.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.
 //
 // A handy class that takes care of setting up and destroying a
 // syncer::UserShare instance for unit tests that require one.
 //
 // The expected usage is to make this a component of your test fixture:
 //
 //   class AwesomenessTest : public testing::Test {
@@ skipping 11 matching lines @@
 // Then, in your tests:
 //
 //   TEST_F(AwesomenessTest, IsMaximal) {
 //     syncer::ReadTransaction trans(test_user_share_.user_share());
 //     ...
 //   }
 //
 
 #ifndef SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_
 #define SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/user_share.h"
 
 namespace syncer {
 
 class TestDirectorySetterUpper;
 
 class TestUserShare {
  public:
@@ skipping 16 matching lines @@
  private:
   scoped_ptr<TestDirectorySetterUpper> dir_maker_;
   scoped_ptr<syncer::UserShare> user_share_;
 
   DISALLOW_COPY_AND_ASSIGN(TestUserShare);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_TEST_TEST_USER_SHARE_H_