browser-plugin: Accept drags through the new WebPlugin interface

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 531 matching lines @@
   NPObject* browser_plugin_np_object(bindings_->np_object());
   // The object is expected to be retained before it is returned.
   WebKit::WebBindings::retainObject(browser_plugin_np_object);
   return browser_plugin_np_object;
 }
 
 bool BrowserPlugin::supportsKeyboardFocus() const {
   return true;
 }
 
+bool BrowserPlugin::canProcessDrag() const {
+  return true;
+}
+
 void BrowserPlugin::paint(WebCanvas* canvas, const WebRect& rect) {
   if (guest_crashed_) {
     if (!sad_guest_)  // Lazily initialize bitmap.
       sad_guest_ = content::GetContentClient()->renderer()->
           GetSadPluginBitmap();
     // TODO(fsamuel): Do we want to paint something other than a sad plugin
     // on crash? See http://www.crbug.com/140266.
     // content_shell does not have the sad plugin bitmap, so we'll paint black
     // instead to make it clear that something went wrong.
     if (sad_guest_) {
@@ skipping 227 matching lines @@
                                                  void* notify_data) {
 }
 
 void BrowserPlugin::didFailLoadingFrameRequest(
     const WebKit::WebURL& url,
     void* notify_data,
     const WebKit::WebURLError& error) {
 }
 
 }  // namespace content