Wire up the Inspector V8 Debugger

sky/framework/inspector/runtime-agent.sky

 <import src="debug.sky" as="debug" />
 <script>
 function Runtime(delegate) {
   this.delegate_ = delegate;
 }
 
 Runtime.prototype.enable = function() {
   this.delegate_.sendMessage("Runtime.executionContextCreated", {
     "context": {
       "frameId": 1,
@@ skipping 97 matching lines @@
   try {
     value = eval(params.expression);
   } catch (e) {
     value = e;
     wasThrown = true;
   }
 
   return makeResult(params, value, wasThrown);
 }
 
-Runtime.prototype.getProperties = debug.loggingStub("getProperties");
+Runtime.prototype.getProperties = function(params) {
+  // FIXME: Unclear what this is for.
+  return [];
+}
 
 module.exports = Runtime;
 </script>