Eliminate implicit conversion from scoped_refptr<T> to T*

webkit/plugins/npapi/webplugin_delegate_impl_win.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 "webkit/plugins/npapi/webplugin_delegate_impl.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 581 matching lines @@
                      WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
     SetParent(windowed_handle_, parent_);
   }
 
   BOOL result = SetProp(windowed_handle_, kWebPluginDelegateProperty, this);
   DCHECK(result == TRUE) << "SetProp failed, last error = " << GetLastError();
   // Get the name of the plugin, create an atom and set that in a window
   // property. Use an atom so that other processes can access the name of
   // the plugin that this window is hosting
   if (instance_ != NULL) {
-    PluginLib* plugin_lib = instance()->plugin_lib();
-    if (plugin_lib != NULL) {
+    scoped_refptr<PluginLib> plugin_lib = instance()->plugin_lib();
+    if (plugin_lib) {
       std::wstring plugin_name = plugin_lib->plugin_info().name;
       if (!plugin_name.empty()) {
         ATOM plugin_name_atom = GlobalAddAtomW(plugin_name.c_str());
         DCHECK(0 != plugin_name_atom);
         result = SetProp(windowed_handle_,
             kPluginNameAtomProperty,
             reinterpret_cast<HANDLE>(plugin_name_atom));
         DCHECK(result == TRUE) << "SetProp failed, last error = " <<
             GetLastError();
       }
@@ skipping 950 matching lines @@
       ::ReleaseCapture();
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace npapi
 }  // namespace webkit