Coverity: Initialize member variables.

content/browser/renderer_host/media/media_stream_dispatcher_host.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 "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
 
 #include "content/browser/resource_context.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/common/media/media_stream_options.h"
 
 using content::BrowserMessageFilter;
 using content::BrowserThread;
 
 namespace media_stream {
 
 struct MediaStreamDispatcherHost::StreamRequest {
-  StreamRequest() {}
+  StreamRequest() : render_view_id(0), page_request_id(0) {}
   StreamRequest(int render_view_id, int page_request_id)
       : render_view_id(render_view_id),
         page_request_id(page_request_id ) {
   }
   int render_view_id;
   // Id of the request generated by MediaStreamDispatcher.
   int page_request_id;
 };
 
 MediaStreamDispatcherHost::MediaStreamDispatcherHost(
@@ skipping 128 matching lines @@
 
   StreamMap::iterator it = streams_.find(label);
   DCHECK(it != streams_.end());
   StreamRequest request = it->second;
   Send(new MediaStreamHostMsg_VideoDeviceFailed(request.render_view_id,
                                                 label,
                                                 index));
 }
 
 }  // namespace media_stream