1 files changed, 44 insertions, 0 deletions
diff --git a/xwalk/common/XW_Extension_Runtime.h b/xwalk/common/XW_Extension_Runtime.h
new file mode 100644
index 00000000..f5858f3e
--- /dev/null
+++ b/xwalk/common/XW_Extension_Runtime.h
@@ -0,0 +1,44 @@
+// Copyright (c) 2013 Intel Corporation. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_RUNTIME_H_
+#define XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_RUNTIME_H_
+
+// NOTE: This file and interfaces marked as internal are not considered stable
+// and can be modified in incompatible ways between Crosswalk versions.
+
+#ifndef XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_H_
+#error "You should include XW_Extension.h before this file"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define XW_INTERNAL_RUNTIME_INTERFACE_1 \
+  "XW_Internal_RuntimeInterface_1"
+#define XW_INTERNAL_RUNTIME_INTERFACE \
+  XW_INTERNAL_RUNTIME_INTERFACE_1
+
+//
+// XW_INTERNAL_RUNTIME_INTERFACE: allow extensions to gather information
+// from the runtime.
+//
+
+struct XW_Internal_RuntimeInterface_1 {
+  void (*GetRuntimeVariableString)(XW_Extension extension,
+                                   const char* key,
+                                   char* value,
+                                   size_t value_len);
+};
+
+typedef struct XW_Internal_RuntimeInterface_1
+    XW_Internal_RuntimeInterface;
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // XWALK_EXTENSIONS_PUBLIC_XW_EXTENSION_RUNTIME_H_
+