Get drag and drop working for win aura.

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 309 matching lines @@
       new DataObjectImpl::StoredDataInfo(CF_TEXT, storage));
 }
 
 void OSExchangeDataProviderWin::SetFilename(const FilePath& path) {
   STGMEDIUM* storage = GetStorageForFileName(path);
   DataObjectImpl::StoredDataInfo* info =
       new DataObjectImpl::StoredDataInfo(CF_HDROP, storage);
   data_->contents_.push_back(info);
 }
 
+void OSExchangeDataProviderWin::SetFilenames(
+    const std::vector<OSExchangeData::FileInfo>& filenames) {
+  for (size_t i = 0; i < filenames.size(); ++i) {
+    STGMEDIUM* storage = GetStorageForFileName(filenames[i].path);
+    DataObjectImpl::StoredDataInfo* info =
+        new DataObjectImpl::StoredDataInfo(CF_HDROP, storage);
+    data_->contents_.push_back(info);
+  }
+}
+
 void OSExchangeDataProviderWin::SetPickledData(CLIPFORMAT format,
                                                const Pickle& data) {
   STGMEDIUM* storage = GetStorageForBytes(static_cast<const char*>(data.data()),
                                           data.size());
   data_->contents_.push_back(
       new DataObjectImpl::StoredDataInfo(format, storage));
 }
 
 void OSExchangeDataProviderWin::SetFileContents(
     const FilePath& filename,
@@ skipping 48 matching lines @@
 }
 
 bool OSExchangeDataProviderWin::GetFilename(FilePath* path) const {
   std::vector<string16> filenames;
   bool success = ClipboardUtil::GetFilenames(source_object_, &filenames);
   if (success)
     *path = FilePath(filenames[0]);
   return success;
 }
 
+bool OSExchangeDataProviderWin::GetFilenames(
+    std::vector<OSExchangeData::FileInfo>* filenames) const {
+  std::vector<string16> filenames_local;
+  bool success = ClipboardUtil::GetFilenames(source_object_, &filenames_local);
+  if (success) {
+    for (size_t i = 0; i < filenames_local.size(); ++i)
+      filenames->push_back(
+          OSExchangeData::FileInfo(FilePath(filenames_local[i]), FilePath()));
+  }
+  return success;
+}
+
 bool OSExchangeDataProviderWin::GetPickledData(CLIPFORMAT format,
                                                Pickle* data) const {
   DCHECK(data);
   FORMATETC format_etc =
       { format, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
   bool success = false;
   STGMEDIUM medium;
   if (SUCCEEDED(source_object_->GetData(&format_etc, &medium))) {
     if (medium.tymed & TYMED_HGLOBAL) {
       base::win::ScopedHGlobal<char> c_data(medium.hGlobal);
@@ skipping 535 matching lines @@
   return new OSExchangeDataProviderWin();
 }
 
 // static
 OSExchangeData::CustomFormat OSExchangeData::RegisterCustomFormat(
     const std::string& type) {
   return RegisterClipboardFormat(ASCIIToUTF16(type).c_str());
 }
 
 }  // namespace ui