Coverity: Initialize member variables.

webkit/plugins/ppapi/audio_helper.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 "ppapi/c/pp_completion_callback.h"
 #include "webkit/plugins/ppapi/audio_helper.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/resource_helper.h"
 
 using ppapi::TrackedCallback;
 
 namespace webkit {
 namespace ppapi {
 
 // AudioHelper -----------------------------------------------------------------
 
-AudioHelper::AudioHelper() {
+AudioHelper::AudioHelper() : shared_memory_size_for_create_callback_(0) {
 }
 
 AudioHelper::~AudioHelper() {
 }
 
 int32_t AudioHelper::GetSyncSocketImpl(int* sync_socket) {
   if (socket_for_create_callback_.get()) {
 #if defined(OS_POSIX)
     *sync_socket = socket_for_create_callback_->handle();
 #elif defined(OS_WIN)
@@ skipping 50 matching lines @@
 }
 
 void AudioHelper::SetCreateCallback(
     scoped_refptr< ::ppapi::TrackedCallback> create_callback) {
   DCHECK(!TrackedCallback::IsPending(create_callback_));
   create_callback_ = create_callback;
 }
 
 }  // namespace ppapi
 }  // namespace webkit