Keep only base/extractor.[cc|h].

plugins/update/npapi/urlpropbag.h

-// Copyright 2010 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#ifndef OMAHA_PLUGINS_UPDATE_NPAPI_URLPROPBAG_H_
-#define OMAHA_PLUGINS_UPDATE_NPAPI_URLPROPBAG_H_
-
-#include <atlbase.h>
-#include <atlcom.h>
-
-namespace omaha {
-
-const TCHAR* const kUrlPropertyBag_Url = _T("omaha-urlpropertybag-url");
-
-class ATL_NO_VTABLE UrlPropertyBag
-    : public CComObjectRootEx<CComObjectThreadModel>,
-      public IPropertyBag {
- public:
-  static HRESULT Create(const TCHAR* url, IPropertyBag** pb);
-
-  BEGIN_COM_MAP(UrlPropertyBag)
-    COM_INTERFACE_ENTRY(IPropertyBag)
-  END_COM_MAP()
-
-  // IPropertyBag methods.
-  STDMETHOD(Read)(LPCOLESTR pszPropName, VARIANT* pVar, IErrorLog* pErrorLog);
-  STDMETHOD(Write)(LPCOLESTR pszPropName, VARIANT* pVar);
-
- protected:
-  UrlPropertyBag();
-  virtual ~UrlPropertyBag() {}
-
- private:
-  CString url_;
-
-  DISALLOW_COPY_AND_ASSIGN(UrlPropertyBag);
-};
-
-}  // namespace omaha
-
-#endif  // OMAHA_PLUGINS_UPDATE_NPAPI_URLPROPBAG_H_