File upload API in chromedriver

content/renderer/render_view.cc

 // Copyright (c) 2011 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.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 3344 matching lines @@
   Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
 }
 
 void RenderView::OnDragTargetDragLeave() {
   webview()->dragTargetDragLeave();
 }
 
 void RenderView::OnDragTargetDrop(const gfx::Point& client_point,
                                   const gfx::Point& screen_point) {
   webview()->dragTargetDrop(client_point, screen_point);
+
+  Send(new DragHostMsg_TargetDrop_ACK(routing_id_));
 }
 
 void RenderView::OnDragSourceEndedOrMoved(const gfx::Point& client_point,
                                           const gfx::Point& screen_point,
                                           bool ended,
                                           WebDragOperation op) {
   if (ended) {
     webview()->dragSourceEndedAt(client_point, screen_point, op);
   } else {
     webview()->dragSourceMovedTo(client_point, screen_point, op);
@@ skipping 871 matching lines @@
     const webkit_glue::CustomContextMenuContext& custom_context) {
   if (custom_context.is_pepper_menu)
     pepper_delegate_.OnContextMenuClosed(custom_context);
   else
     context_menu_node_.reset();
 }
 
 void RenderView::OnNetworkStateChanged(bool online) {
   WebNetworkStateNotifier::setOnLine(online);
 }