Coverity: Initialize member variables.

content/renderer/websharedworker_proxy.h

 // 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.
 
 #ifndef CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_
 #define CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 72 matching lines @@
 
   // The routing id for the RenderView that created this worker.
   int render_view_route_id_;
 
   ChildThread* child_thread_;
 
   // ID of our parent document (used to shutdown workers when the parent
   // document is detached).
   unsigned long long document_id_;
 
-  // ID of our parent's appcache host, only valid for dedicated workers.
-  int parent_appcache_host_id_;
-
   // Stores messages that were sent before the StartWorkerContext message.
   std::vector<IPC::Message*> queued_messages_;
 
   // The id for the placeholder worker instance we've stored on the
   // browser process (we need to pass this same route id back in when creating
   // the worker).
   int pending_route_id_;
   ConnectListener* connect_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerProxy);
 };
 
 #endif  // CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_