Coverity: Initialize member variables.

webkit/plugins/ppapi/message_channel.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/ppapi/message_channel.h"
 
 #include <cstdlib>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 253 matching lines @@
   &MessageChannelHasProperty,
   &MessageChannelGetProperty,
   &MessageChannelSetProperty,
   NULL,
   &MessageChannelEnumerate,
 };
 
 }  // namespace
 
 // MessageChannel --------------------------------------------------------------
-MessageChannel::MessageChannelNPObject::MessageChannelNPObject() {}
+MessageChannel::MessageChannelNPObject::MessageChannelNPObject()
+    : message_channel(NULL) {
+}
 
 MessageChannel::MessageChannelNPObject::~MessageChannelNPObject() {}
 
 MessageChannel::MessageChannel(PluginInstance* instance)
     : instance_(instance),
       passthrough_object_(NULL),
       np_object_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) {
   VOID_TO_NPVARIANT(onmessage_invoker_);
 
@@ skipping 133 matching lines @@
   //   SetPassthroughObject(passthrough_object());
   if (passthrough_object_)
     WebBindings::releaseObject(passthrough_object_);
 
   passthrough_object_ = passthrough;
 }
 
 }  // namespace ppapi
 }  // namespace webkit