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

chrome/browser/ui/views/tabs/tab_strip.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 "chrome/browser/ui/views/tabs/tab_strip.h"
 
 #if defined(OS_WIN)
 #include <windowsx.h>
 #endif
 
@@ skipping 1392 matching lines @@
 void TabStrip::OnDragEntered(const DropTargetEvent& event) {
   // Force animations to stop, otherwise it makes the index calculation tricky.
   StopAnimating(true);
 
   UpdateDropIndex(event);
 
   GURL url;
   base::string16 title;
 
   // Check whether the event data includes supported drop data.
-  if (event.data().GetURLAndTitle(&url, &title) && url.is_valid()) {
+  if (event.data().GetURLAndTitle(
+          ui::OSExchangeData::CONVERT_FILENAMES, &url, &title) &&
+      url.is_valid()) {
     drop_info_->url = url;
 
     // For file:// URLs, kick off a MIME type request in case they're dropped.
     if (url.SchemeIsFile())
       controller()->CheckFileSupported(url);
   }
 }
 
 int TabStrip::OnDragUpdated(const DropTargetEvent& event) {
   // Update the drop index even if the file is unsupported, to allow
@@ skipping 19 matching lines @@
   const bool file_supported = drop_info_->file_supported;
 
   // Hide the drop indicator.
   SetDropIndex(-1, false);
 
   // Do nothing if the file was unsupported or the URL is invalid. The URL may
   // have been changed after |drop_info_| was created.
   GURL url;
   base::string16 title;
   if (!file_supported ||
-      !event.data().GetURLAndTitle(&url, &title) || !url.is_valid())
+      !event.data().GetURLAndTitle(
+           ui::OSExchangeData::CONVERT_FILENAMES, &url, &title) ||
+      !url.is_valid())
     return ui::DragDropTypes::DRAG_NONE;
 
   controller()->PerformDrop(drop_before, drop_index, url);
 
   return GetDropEffect(event);
 }
 
 void TabStrip::GetAccessibleState(ui::AccessibleViewState* state) {
   state->role = ui::AccessibilityTypes::ROLE_PAGETABLIST;
 }
@@ skipping 1307 matching lines @@
 #if defined(USE_AURA)
   return chrome::GetHostDesktopTypeForNativeView(
       GetWidget()->GetNativeView()) == chrome::HOST_DESKTOP_TYPE_ASH;
 #else
   if (ui::GetDisplayLayout() != ui::LAYOUT_TOUCH)
     return false;
 #endif
 
   return true;
 }