sync: move internal_api components used by chrome/browser into internal_api/public

sync/test/engine/test_directory_setter_upper.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
 // syncable::Directory 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 18 matching lines @@
 #ifndef SYNC_TEST_ENGINE_TEST_DIRECTORY_SETTER_UPPER_H_
 #define SYNC_TEST_ENGINE_TEST_DIRECTORY_SETTER_UPPER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/scoped_temp_dir.h"
-#include "sync/util/test_unrecoverable_error_handler.h"
-#include "sync/syncable/syncable.h"
 #include "sync/test/fake_encryptor.h"
 #include "sync/test/null_directory_change_delegate.h"
+#include "sync/util/test_unrecoverable_error_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
+namespace syncable {
+  class Directory;
+}
+
 namespace browser_sync {
 
 class TestDirectorySetterUpper {
  public:
   TestDirectorySetterUpper();
   virtual ~TestDirectorySetterUpper();
 
   // Create a Directory instance open it.
   virtual void SetUp();
 
   // Undo everything done by SetUp(): close the directory and delete the
   // backing files. Before closing the directory, this will run the directory
   // invariant checks and perform the SaveChanges action on the directory.
   virtual void TearDown();
 
   syncable::Directory* directory() { return directory_.get(); }
 
- protected:
+ private:
   syncable::NullDirectoryChangeDelegate delegate_;
   TestUnrecoverableErrorHandler handler_;
 
- private:
   void RunInvariantCheck();
 
   ScopedTempDir temp_dir_;
   FakeEncryptor encryptor_;
   scoped_ptr<syncable::Directory> directory_;
   std::string name_;
 
   DISALLOW_COPY_AND_ASSIGN(TestDirectorySetterUpper);
 };
 
 }  // namespace browser_sync
 
 #endif  // SYNC_TEST_ENGINE_TEST_DIRECTORY_SETTER_UPPER_H_