Add support for a directory file chooser command, which creates a file list b...

chrome/browser/renderer_host/render_view_host.cc

 // Copyright (c) 2010 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/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 1352 matching lines @@
     view()->SetTooltipText(wrapped_tooltip_text);
 }
 
 void RenderViewHost::OnMsgSelectionChanged(const std::string& text) {
   if (view())
     view()->SelectionChanged(text);
 }
 
 void RenderViewHost::OnMsgRunFileChooser(
     const ViewHostMsg_RunFileChooser_Params& params) {
-  delegate_->RunFileChooser(params);
+  RenderViewHostDelegate::FileSelect* file_select_delegate =
+      delegate()->GetFileSelectDelegate();
+  if (file_select_delegate)
+    file_select_delegate->RunFileChooser(params);
 }
 
 void RenderViewHost::OnMsgRunJavaScriptMessage(
     const std::wstring& message,
     const std::wstring& default_prompt,
     const GURL& frame_url,
     const int flags,
     IPC::Message* reply_msg) {
   // While a JS message dialog is showing, tabs in the same process shouldn't
   // process input events.
@@ skipping 646 matching lines @@
   RenderViewHostDelegate::ContentSettings* content_settings_delegate =
       delegate_->GetContentSettingsDelegate();
   if (content_settings_delegate)
     content_settings_delegate->OnWebDatabaseAccessed(
         url, name, display_name, estimated_size, blocked_by_policy);
 }
 
 void RenderViewHost::OnSetDisplayingPDFContent() {
   delegate_->SetDisplayingPDFContent();
 }