Wholesale move sky/engine/tonic to tonic

tonic/dart_gc_controller.h

Index: tonic/dart_gc_controller.h
diff --git a/tonic/dart_gc_controller.h b/tonic/dart_gc_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..196d93334313d4a23c98e27544c11dd9369e4a19
--- /dev/null
+++ b/tonic/dart_gc_controller.h
@@ -0,0 +1,15 @@
+// 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_GC_CONTROLLER_H_
+#define SKY_ENGINE_TONIC_DART_GC_CONTROLLER_H_
+
+namespace blink {
+
+void DartGCPrologue();
+void DartGCEpilogue();
+
+}  // namespace blink
+
+#endif  // SKY_ENGINE_TONIC_DART_GC_CONTROLLER_H_