browser-plugin: Allow accepting drag-n-drop events.

content/renderer/browser_plugin/browser_plugin.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/browser_plugin/browser_plugin.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #if defined (OS_WIN)
 #include "base/sys_info.h"
@@ skipping 743 matching lines @@
           &cursor);
   message->WriteInt(instance_id_);
   message->WriteData(reinterpret_cast<const char*>(&plugin_rect_),
                      sizeof(gfx::Rect));
   message->WriteData(reinterpret_cast<const char*>(&event), event.size);
   BrowserPluginManager::Get()->Send(message);
   cursor.GetCursorInfo(&cursor_info);
   return handled;
 }
 
+bool BrowserPlugin::handleDragStatusUpdate(WebKit::WebDragStatus drag_status,
+                                           const WebKit::WebDragData& drag_data,
+                                           WebKit::WebDragOperationsMask mask,
+                                           const WebKit::WebPoint& position,
+                                           const WebKit::WebPoint& screen) {
+  if (guest_crashed_ || !navigate_src_sent_)
+    return false;
+  BrowserPluginManager::Get()->Send(
+      new BrowserPluginHostMsg_DragStatusUpdate(
+        render_view_->GetRoutingID(),
+        instance_id_,
+        drag_status,
+        WebDropData(drag_data),
+        mask,
+        position));
+  return false;
+}
+
 void BrowserPlugin::didReceiveResponse(
     const WebKit::WebURLResponse& response) {
 }
 
 void BrowserPlugin::didReceiveData(const char* data, int data_length) {
 }
 
 void BrowserPlugin::didFinishLoading() {
 }
 
 void BrowserPlugin::didFailLoading(const WebKit::WebURLError& error) {
 }
 
 void BrowserPlugin::didFinishLoadingFrameRequest(const WebKit::WebURL& url,
                                                  void* notify_data) {
 }
 
 void BrowserPlugin::didFailLoadingFrameRequest(
     const WebKit::WebURL& url,
     void* notify_data,
     const WebKit::WebURLError& error) {
 }
 
 }  // namespace content