Wholesale move sky/engine/tonic to tonic

tonic/dart_builtin.h

Index: tonic/dart_builtin.h
diff --git a/tonic/dart_builtin.h b/tonic/dart_builtin.h
new file mode 100644
index 0000000000000000000000000000000000000000..e612e7bbed7bc7d51d99fe284d420f11ea4917be
--- /dev/null
+++ b/tonic/dart_builtin.h
@@ -0,0 +1,42 @@
+// Copyright 2015 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.
+
+#ifndef SKY_ENGINE_TONIC_DART_BUILTIN_H_
+#define SKY_ENGINE_TONIC_DART_BUILTIN_H_
+
+#include "base/macros.h"
+#include "dart/runtime/include/dart_api.h"
+
+namespace blink {
+
+class DartBuiltin {
+ public:
+  struct Natives {
+    const char* name;
+    Dart_NativeFunction function;
+    int argument_count;
+  };
+
+  DartBuiltin(const Natives* natives, size_t count);
+  ~DartBuiltin();
+
+  Dart_NativeFunction Resolver(Dart_Handle name,
+                               int argument_count,
+                               bool* auto_setup_scope) const;
+
+  const uint8_t* Symbolizer(Dart_NativeFunction native_function) const;
+
+  // Helper around Dart_LookupLibrary.
+  static Dart_Handle LookupLibrary(const char* name);
+
+ private:
+  const Natives* natives_;
+  size_t count_;
+
+  DISALLOW_COPY_AND_ASSIGN(DartBuiltin);
+};
+
+}  // namespace blink
+
+#endif  // SKY_ENGINE_TONIC_DART_BUILTIN_H_