Don't populate URL data in WebDropData when dragging files.

ui/base/dragdrop/os_exchange_data_provider_aurax11.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_aurax11.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_pump_x11.h"
 #include "base/strings/string_util.h"
@@ skipping 179 matching lines @@
   if (data.IsValid()) {
     std::string text = data.GetText();
     *result = base::UTF8ToUTF16(text);
     return true;
   }
 
   return false;
 }
 
 bool OSExchangeDataProviderAuraX11::GetURLAndTitle(
+    OSExchangeData::FilenameToURLPolicy policy,
     GURL* url,
     base::string16* title) const {
   std::vector< ::Atom> url_atoms = ui::GetURLAtomsFrom(&atom_cache_);
   std::vector< ::Atom> requested_types;
   ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types);
 
   ui::SelectionData data(format_map_.GetFirstOf(requested_types));
   if (data.IsValid()) {
     // TODO(erg): Technically, both of these forms can accept multiple URLs,
     // but that doesn't match the assumptions of the rest of the system which
@@ skipping 14 matching lines @@
 
         *url = GURL(tokens[0]);
         return true;
       }
     } else if (data.GetType() == atom_cache_.GetAtom(
                    Clipboard::kMimeTypeURIList)) {
       std::vector<std::string> tokens = ui::ParseURIList(data);
       for (std::vector<std::string>::const_iterator it = tokens.begin();
            it != tokens.end(); ++it) {
         GURL test_url(*it);
-        if (!test_url.SchemeIsFile()) {
+        if (!test_url.SchemeIsFile() ||
+            policy == OSExchangeData::CONVERT_FILENAMES) {
           *url = test_url;
           *title = base::string16();
           return true;
         }
       }
     }
   }
 
   return false;
 }
@@ skipping 211 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // OSExchangeData, public:
 
 // static
 OSExchangeData::Provider* OSExchangeData::CreateProvider() {
   return new OSExchangeDataProviderAuraX11();
 }
 
 }  // namespace ui