Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/renderer/webplugin_delegate_proxy.cc

 // Copyright (c) 2010 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 "chrome/renderer/webplugin_delegate_proxy.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 276 matching lines @@
     }
     return false;
   }
 
 #if defined(OS_POSIX)
   // If we received a ChannelHandle, register it now.
   if (channel_handle.socket.fd >= 0)
     IPC::AddChannelSocket(channel_handle.name, channel_handle.socket.fd);
 #endif
 
-  scoped_refptr<PluginChannelHost> channel_host =
+  scoped_refptr<PluginChannelHost> channel_host(
       PluginChannelHost::GetPluginChannelHost(
-          channel_handle.name, ChildProcess::current()->io_message_loop());
+          channel_handle.name, ChildProcess::current()->io_message_loop()));
   if (!channel_host.get())
     return false;
 
   int instance_id;
   bool result = channel_host->Send(new PluginMsg_CreateInstance(
       mime_type_, &instance_id));
   if (!result)
     return false;
 
   channel_host_ = channel_host;
@@ skipping 1239 matching lines @@
     if (index->mime_type == "application/x-vnd.moveplayer.qm" ||
         index->mime_type == "application/x-vnd.moveplay2.qm" ||
         index->mime_type == "application/x-vnd.movenetworks.qm" ||
         index->mime_type == "application/x-vnd.mnplayer.qm") {
       return true;
     }
   }
   return false;
 }
 #endif