Fixed drag and drop into and out of Browser Plugin.

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/json/json_string_value_serializer.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
@@ skipping 1105 matching lines @@
   if (guest_crashed_ || !navigate_src_sent_)
     return false;
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_DragStatusUpdate(
         render_view_routing_id_,
         instance_id_,
         drag_status,
         WebDropData(drag_data),
         mask,
         position));
-  return false;
+  return true;
 }
 
 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