PPAPI: Implement PPB_FileMapping on POSIX

ppapi/proxy/file_mapping_resource_win.cc

+// Copyright (c) 2014 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/proxy/file_mapping_resource.h"
+
+#include "ppapi/c/pp_errors.h"
+
+namespace ppapi {
+namespace proxy {
+
+// static
+FileMappingResource::MapResult FileMappingResource::DoMapBlocking(
+    scoped_refptr<FileIOResource::FileHandleHolder> handle,
+    void* address_hint,
+    int64_t length,
+    uint32_t map_protection,
+    uint32_t map_flags,
+    int64_t offset) {
+  // TODO(dmichael): Implement for Windows (crbug.com/83774).
+  MapResult map_result;
+  map_result.result = PP_ERROR_NOTSUPPORTED;
+  return map_result;
+}
+
+// static
+int32_t FileMappingResource::DoUnmapBlocking(const void* address,
+                                             int64_t length) {
+  // TODO(dmichael): Implement for Windows (crbug.com/83774).
+  return PP_ERROR_NOTSUPPORTED;
+}
+
+// static
+int64_t FileMappingResource::DoGetMapPageSize() {
+  // TODO(dmichael): Implement for Windows (crbug.com/83774).
+  return 0;
+}
+
+}  // namespace proxy
+}  // namespace ppapi