Improve IPC logging for ChannelHandle and NPVariant_Param

ipc/ipc_message_utils.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 "ipc/ipc_message_utils.h"
 
 #include "base/file_path.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/nullable_string16.h"
@@ skipping 434 matching lines @@
 #if defined(OS_POSIX)
       && ReadParam(m, iter, &r->socket)
 #endif
       ;
 }
 
 void ParamTraits<IPC::ChannelHandle>::Log(const param_type& p,
                                           std::string* l) {
   l->append(StringPrintf("ChannelHandle(%s", p.name.c_str()));
 #if defined(OS_POSIX)
+  l->append(", ");
   ParamTraits<base::FileDescriptor>::Log(p.socket, l);
 #endif
   l->append(")");
 }
 
 LogData::LogData()
     : routing_id(0),
       type(0),
       sent(0),
       receive(0),
@@ skipping 23 matching lines @@
       ReadParam(m, iter, &r->flags) &&
       ReadParam(m, iter, &r->sent) &&
       ReadParam(m, iter, &r->receive) &&
       ReadParam(m, iter, &r->dispatch) &&
       ReadParam(m, iter, &r->params);
   r->type = static_cast<uint16>(type);
   return result;
 }
 
 }  // namespace IPC