Coverity: Initialize member variables.

webkit/fileapi/file_system_operation_context.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/fileapi/file_system_operation_context.h"
 
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_util.h"
 
 namespace fileapi {
 
 FileSystemOperationContext::FileSystemOperationContext(
     FileSystemContext* context,
     FileSystemFileUtil* file_system_file_util)
     : file_system_context_(context),
       src_file_system_file_util_(file_system_file_util),
       dest_file_system_file_util_(file_system_file_util),
       src_type_(kFileSystemTypeUnknown),
-      dest_type_(kFileSystemTypeUnknown) {
+      dest_type_(kFileSystemTypeUnknown),
+      allowed_bytes_growth_(0) {
 }
 
 FileSystemOperationContext::~FileSystemOperationContext() {
 }
 
 }  // namespace fileapi