Get drag and drop working on Win Ash.

ui/base/dragdrop/os_exchange_data_provider_win.cc

 // 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.
 
 #include "ui/base/dragdrop/os_exchange_data_provider_win.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 481 matching lines @@
   if (!download.filename.empty())
     storage = GetStorageForFileName(download.filename);
 
   // Add CF_HDROP.
   DataObjectImpl::StoredDataInfo* info = new DataObjectImpl::StoredDataInfo(
       ClipboardUtil::GetCFHDropFormat()->cfFormat, storage);
   info->downloader = download.downloader;
   data_->contents_.push_back(info);
 }
 
+#if defined(USE_AURA)
+
+void OSExchangeDataProviderWin::SetDragImage(
+    const gfx::ImageSkia& image,
+    const gfx::Vector2d& cursor_offset) {
+  drag_image_ = image;
+  drag_image_offset_ = cursor_offset;
+}
+
+const gfx::ImageSkia& OSExchangeDataProviderWin::GetDragImage() const {
+  return drag_image_;
+}
+
+const gfx::Vector2d& OSExchangeDataProviderWin::GetDragImageOffset() const {
+  return drag_image_offset_;
+}
+
+#endif
+
 ///////////////////////////////////////////////////////////////////////////////
 // DataObjectImpl, IDataObject implementation:
 
 // The following function, DuplicateMedium, is derived from WCDataObject.cpp
 // in the WebKit source code. This is the license information for the file:
 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ skipping 453 matching lines @@
   return new OSExchangeDataProviderWin();
 }
 
 // static
 OSExchangeData::CustomFormat OSExchangeData::RegisterCustomFormat(
     const std::string& type) {
   return RegisterClipboardFormat(ASCIIToUTF16(type).c_str());
 }
 
 }  // namespace ui