Factor out logic to find chrome.exe from Omaha client state.

cloud_print/service/win/chrome_launcher.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 CLOUD_PRINT_SERVICE_CHROME_LAUNCHER_H_
 #define CLOUD_PRINT_SERVICE_CHROME_LAUNCHER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/simple_thread.h"
 
 class ChromeLauncher : public base::DelegateSimpleThread::Delegate {
  public:
   explicit ChromeLauncher(const FilePath& user_data);
 
   virtual ~ChromeLauncher();
 
   bool Start();
   void Stop();
 
   virtual void Run() OVERRIDE;
 
-  static FilePath GetChromePath(HKEY key);
-
  private:
   FilePath user_data_;
   base::WaitableEvent stop_event_;
   scoped_ptr<base::DelegateSimpleThread> thread_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncher);
 };
 
 #endif  // CLOUD_PRINT_SERVICE_CHROME_LAUNCHER_H_
-