Move OSExchangeData from src/app to src/ui/base/dragdrop...

ui/base/dragdrop/os_exchange_data_provider_win.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
-#define APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
+#ifndef UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
+#define UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
 #pragma once
 
 #include <objidl.h>
 #include <shlobj.h>
 #include <string>
 
-#include "app/os_exchange_data.h"
 #include "base/scoped_comptr_win.h"
+#include "ui/base/dragdrop/os_exchange_data.h"
+
+namespace ui {
 
 class DataObjectImpl : public DownloadFileObserver,
                        public IDataObject,
                        public IAsyncOperation {
  public:
   class Observer {
    public:
     virtual void OnWaitForData() = 0;
     virtual void OnDataObjectDisposed() = 0;
    protected:
@@ skipping 141 matching lines @@
   virtual void SetDownloadFileInfo(
       const OSExchangeData::DownloadFileInfo& download_info);
 
  private:
   scoped_refptr<DataObjectImpl> data_;
   ScopedComPtr<IDataObject> source_object_;
 
   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderWin);
 };
 
-#endif  // APP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_
+}  // namespace ui
+
+#endif  // UI_BASE_DRAGDROP_OS_EXCHANGE_DATA_PROVIDER_WIN_H_