Remove unused ImportProgressDialog.

chrome/browser/first_run/first_run_import_observer.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.
-
-#ifndef CHROME_BROWSER_FIRST_RUN_FIRST_RUN_IMPORT_OBSERVER_H_
-#define CHROME_BROWSER_FIRST_RUN_FIRST_RUN_IMPORT_OBSERVER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/importer/importer_observer.h"
-
-// This class is used by first_run::ImportNow to get notified of the outcome of
-// the import operation. It differs from ImportProcessRunner in that this
-// class executes in the context of the importing child process.
-// The values that it handles are meant to be used as the process exit code.
-class FirstRunImportObserver : public ImporterObserver {
- public:
-  FirstRunImportObserver();
-  virtual ~FirstRunImportObserver();
-
-  void RunLoop();
-
-  int import_result() const { return import_result_; }
-
- private:
-  void Finish();
-
-  // ImporterObserver:
-  virtual void ImportCompleted() OVERRIDE;
-
-  bool loop_running_;
-  int import_result_;
-
-  DISALLOW_COPY_AND_ASSIGN(FirstRunImportObserver);
-};
-
-#endif  // CHROME_BROWSER_FIRST_RUN_FIRST_RUN_IMPORT_OBSERVER_H_