Only take basename of default_file_name when starting a File Chooser.

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1739 matching lines @@
   if (params.directory)
     ipc_params.mode = FileChooserParams::UploadFolder;
   else if (params.multiSelect)
     ipc_params.mode = FileChooserParams::OpenMultiple;
   else if (params.saveAs)
     ipc_params.mode = FileChooserParams::Save;
   else
     ipc_params.mode = FileChooserParams::Open;
   ipc_params.title = params.title;
   ipc_params.default_file_name =
-      base::FilePath::FromUTF16Unsafe(params.initialValue);
+      base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
   ipc_params.accept_types.reserve(params.acceptTypes.size());
   for (size_t i = 0; i < params.acceptTypes.size(); ++i)
     ipc_params.accept_types.push_back(params.acceptTypes[i]);
   ipc_params.need_local_path = params.needLocalPath;
 #if defined(OS_ANDROID)
   ipc_params.capture = params.useMediaCapture;
 #endif
 
   return ScheduleFileChooser(ipc_params, chooser_completion);
 }
@@ skipping 2291 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content