Fix PP_FileOpenFlags_Dev handling:

webkit/plugins/ppapi/file_type_conversion.cc

Index: webkit/plugins/ppapi/file_type_conversion.cc
diff --git a/webkit/plugins/ppapi/file_type_conversion.cc b/webkit/plugins/ppapi/file_type_conversion.cc
new file mode 100644
index 0000000000000000000000000000000000000000..50754982bb91da66d7b766455d04d834d5c23f79
--- /dev/null
+++ b/webkit/plugins/ppapi/file_type_conversion.cc
@@ -0,0 +1,77 @@
+// 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/file_type_conversion.h"
+
+#include "ppapi/c/dev/ppb_file_io_dev.h"
+#include "ppapi/c/pp_errors.h"
+
+namespace webkit {
+namespace ppapi {
+
+int PlatformFileErrorToPepperError(base::PlatformFileError error_code) {
+  switch (error_code) {
+    case base::PLATFORM_FILE_OK:
+      return PP_OK;
+    case base::PLATFORM_FILE_ERROR_EXISTS:
+      return PP_ERROR_FILEEXISTS;
+    case base::PLATFORM_FILE_ERROR_NOT_FOUND:
+      return PP_ERROR_FILENOTFOUND;
+    case base::PLATFORM_FILE_ERROR_ACCESS_DENIED:
+    case base::PLATFORM_FILE_ERROR_SECURITY:
+      return PP_ERROR_NOACCESS;
+    case base::PLATFORM_FILE_ERROR_NO_MEMORY:
+      return PP_ERROR_NOMEMORY;
+    case base::PLATFORM_FILE_ERROR_NO_SPACE:
+      return PP_ERROR_NOSPACE;
+    case base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY:
+      return PP_ERROR_FAILED;
+    default:
+      return PP_ERROR_FAILED;
+  }
+}
+
+bool PepperFileOpenFlagsToPlatformFileFlags(int32_t pp_open_flags,
+                                            int* flags_out) {
+  if (!flags_out)
+    return false;
+
+  bool pp_read = !!(pp_open_flags & PP_FILEOPENFLAG_READ);
+  bool pp_write = !!(pp_open_flags & PP_FILEOPENFLAG_WRITE);
+  bool pp_create = !!(pp_open_flags & PP_FILEOPENFLAG_CREATE);
+  bool pp_truncate = !!(pp_open_flags & PP_FILEOPENFLAG_TRUNCATE);
+  bool pp_exclusive = !!(pp_open_flags & PP_FILEOPENFLAG_EXCLUSIVE);
+
+  int flags = 0;
+  if (pp_read)
+    flags |= base::PLATFORM_FILE_READ;
+  if (pp_write) {
+    flags |= base::PLATFORM_FILE_WRITE;
+    flags |= base::PLATFORM_FILE_WRITE_ATTRIBUTES;
+  }
+
+  if (pp_truncate && !pp_write)
+    return false;
+
+  if (pp_create) {
+    if (pp_exclusive) {
+      flags |= base::PLATFORM_FILE_CREATE;
+    } else if (pp_truncate) {
+      flags |= base::PLATFORM_FILE_CREATE_ALWAYS;
+    } else {
+      flags |= base::PLATFORM_FILE_OPEN_ALWAYS;
+    }
+  } else if (pp_truncate) {
+    flags |= base::PLATFORM_FILE_OPEN_TRUNCATED;
+  } else {
+    flags |= base::PLATFORM_FILE_OPEN;
+  }
+
+  *flags_out = flags;
+  return true;
+}
+
+}  // namespace ppapi
+}  // namespace webkit
+