Coverity: Initialize member variables.

webkit/plugins/ppapi/ppb_audio_impl.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/ppb_audio_impl.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_audio.h"
 #include "ppapi/c/ppb_audio_config.h"
@@ skipping 19 matching lines @@
 PPB_AudioConfig_Impl::AsPPB_AudioConfig_API() {
   return this;
 }
 
 // PPB_Audio_Impl --------------------------------------------------------------
 
 PPB_Audio_Impl::PPB_Audio_Impl(PluginInstance* instance)
     : Resource(instance),
       config_id_(0),
       audio_(NULL),
-      create_callback_pending_(false) {
+      create_callback_pending_(false),
+      shared_memory_size_for_create_callback_(0) {
   create_callback_ = PP_MakeCompletionCallback(NULL, NULL);
 }
 
 PPB_Audio_Impl::~PPB_Audio_Impl() {
   if (config_id_)
     ResourceTracker::Get()->UnrefResource(config_id_);
 
   // Calling ShutDown() makes sure StreamCreated cannot be called anymore and
   // releases the audio data associated with the pointer. Note however, that
   // until ShutDown returns, StreamCreated may still be called. This will be
@@ skipping 150 matching lines @@
     // something more elaborate like an ACK from the plugin or post a task to
     // the I/O thread and back, but this extra complexity doesn't seem worth it
     // just to clean up these handles faster.
   } else {
     SetStreamInfo(shared_memory_handle, shared_memory_size, socket_handle);
   }
 }
 
 }  // namespace ppapi
 }  // namespace webkit