Allow RequestOSFileHandle if an app has unlimited storage

content/common/fileapi/file_system_messages.h

 // Copyright (c) 2012 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.
 
 // IPC messages for the file system.
 // Multiply-included message file, hence no include guard.
 
 #include "base/files/file_util_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "webkit/fileapi/file_system_types.h"
+#include "webkit/quota/quota_types.h"
 
 #define IPC_MESSAGE_START FileSystemMsgStart
 
 IPC_STRUCT_TRAITS_BEGIN(base::FileUtilProxy::Entry)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(is_directory)
 IPC_STRUCT_TRAITS_END()
 
 IPC_ENUM_TRAITS(fileapi::FileSystemType)
+IPC_ENUM_TRAITS(quota::QuotaLimitType)
 
 // File system messages sent from the browser to the child process.
 
 // WebFrameClient::openFileSystem response messages.
 IPC_MESSAGE_CONTROL3(FileSystemMsg_DidOpenFileSystem,
                      int /* request_id */,
                      std::string /* name */,
                      GURL /* root_url */)
 
 // WebFileSystem response messages.
 IPC_MESSAGE_CONTROL1(FileSystemMsg_DidSucceed,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL3(FileSystemMsg_DidReadMetadata,
                      int /* request_id */,
                      base::PlatformFileInfo,
                      base::FilePath /* true platform path, where possible */)
 IPC_MESSAGE_CONTROL3(FileSystemMsg_DidCreateSnapshotFile,
                      int /* request_id */,
                      base::PlatformFileInfo,
                      base::FilePath /* true platform path */)
 IPC_MESSAGE_CONTROL3(FileSystemMsg_DidReadDirectory,
                      int /* request_id */,
                      std::vector<base::FileUtilProxy::Entry> /* entries */,
                      bool /* has_more */)
 IPC_MESSAGE_CONTROL3(FileSystemMsg_DidWrite,
                      int /* request_id */,
                      int64 /* byte count */,
                      bool /* complete */)
-IPC_MESSAGE_CONTROL2(FileSystemMsg_DidOpenFile,
+IPC_MESSAGE_CONTROL3(FileSystemMsg_DidOpenFile,
                      int /* request_id */,
-                     IPC::PlatformFileForTransit)
+                     IPC::PlatformFileForTransit,
+                     quota::QuotaLimitType /* quota_policy */)
 IPC_MESSAGE_CONTROL2(FileSystemMsg_DidFail,
                      int /* request_id */,
                      base::PlatformFileError /* error_code */)
 
 // File system messages sent from the child process to the browser.
 
 // WebFrameClient::openFileSystem() message.
 IPC_MESSAGE_CONTROL5(FileSystemHostMsg_Open,
                      int /* request_id */,
                      GURL /* origin_url */,
@@ skipping 106 matching lines @@
                             GURL /* file path */,
                             base::FilePath /* platform_path */)
 
 // Pre- and post-update notifications for ppapi implementation.
 IPC_MESSAGE_CONTROL1(FileSystemHostMsg_WillUpdate,
                      GURL /* file_path */)
 
 IPC_MESSAGE_CONTROL2(FileSystemHostMsg_DidUpdate,
                      GURL /* file_path */,
                      int64 /* delta */)