Extract permission alias info from PermissionsProvider

chrome/common/extensions/chrome_alias_provider.cc

+// Copyright 2016 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 "chrome/common/extensions/chrome_alias_provider.h"
+
+#include "extensions/common/alias.h"
+
+namespace extensions {
+
+namespace {
+
+struct AliasInfo {
+  const char* const alias_name;
+  const char* const real_name;
+  const char* const upper_version_bound;
+};
+
+const AliasInfo kPermissionAliases[] = {
+    {"windows", "tabs", NULL},
+};
+
+}  // namespace
+
+ChromeAliasProvider::ChromeAliasProvider() {}
+
+std::vector<Alias> ChromeAliasProvider::GetApiAliases() const {
+  return std::vector<Alias>();
+}
+
+std::vector<Alias> ChromeAliasProvider::GetPermissionAliases() const {
+  std::vector<Alias> result;
+  for (size_t i = 0; i < arraysize(kPermissionAliases); ++i) {
+    const AliasInfo& kAlias = kPermissionAliases[i];
+    result.push_back(
+        Alias(kAlias.alias_name, kAlias.real_name, kAlias.upper_version_bound));
+  }
+  return result;
+}
+
+}  // namespace extensions