Add a very minimal CSSAgent

sky/framework/inspector/runtime-agent.sky

+<link rel="import" href="debug.sky" as="debug" />
 <script>
-
 function Runtime(delegate) {
   this.delegate_ = delegate;
 }
 
-// FIXME: Move these to their own 'debug' module.
-function logParams(name, params) {
-  console.log(name + "(" + JSON.stringify(params, null, " ") + ")")
-}
-
-function debug(name) {
-  return function(params) {
-    logParams(name, params);
-  }
-}
-
 Runtime.prototype.enable = function() {
   this.delegate_.sendMessage("Runtime.executionContextCreated", {
     "context": {
       "frameId": 1,
       "id": 1,
     }
   });
   return {
     result: true,
   };
 };
 
 Runtime.prototype.callFunctionOn = function(params) {
-  logParams("callFunctionOn", params);
   var object = g_objectRegistry.lookup(params.objectId);
   // This is a horrible hack:
   var functionName = params.functionDeclaration.match(/^function (\w+)\(/)[1];
   var expression = params.functionDeclaration + "; return " + functionName + ";";
   var wasThrown = false;
   var value;
   try {
     var func = new Function('', expression)();
     value = func(object);
   } catch (e) {
     value = e;
     wasThrown = true;
   }
 
   return makeResult(params, value, wasThrown);
 }
 
 // FIXME: This should release all objects associated with an object
 // group, see InjectedScriptSource.js for an example.  Just have to
 // track which object ids are associated with which object groups first.
-Runtime.prototype.releaseObjectGroup = debug("releaseObjectGroup");
+Runtime.prototype.releaseObjectGroup = debug.loggingStub("releaseObjectGroup");
 
 // See InjectedScript._bind for a fancier version of this:
 
 function RemoteObjectRegistery() {
   this.lastObjectId = 0;
   this.objectsById = [];
 }
 
 RemoteObjectRegistery.prototype.register = function(object) {
   var objectId = ++this.lastObjectId;
@@ skipping 45 matching lines @@
         "lineNumber": 0,
         "columnNumber": 0
       }]
     }
   }
   return result;
 }
 
 // FIXME: See Blink"s inspected-script-source.js InjectedScript.RemoteObject.
 Runtime.prototype.evaluate = function(params) {
-  logParams("evaluate", params);
   var wasThrown = false;
   var value;
   try {
     value = eval(params.expression);
   } catch (e) {
     value = e;
     wasThrown = true;
   }
 
   return makeResult(params, value, wasThrown);
 }
 
-Runtime.prototype.getProperties = debug("getProperties");
+Runtime.prototype.getProperties = debug.loggingStub("getProperties");
 
 this.exports = Runtime;
 </script>