DevTools: wrap DebuggerAgent.Location with DebuggerModel.Location.

Source/devtools/front_end/RemoteObject.js

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 88 matching lines @@
      * @param {function(this:Object)} functionDeclaration
      * @param {!Array.<!RuntimeAgent.CallArgument>|undefined} args
      * @param {function(*)} callback
      */
     callFunctionJSON: function(functionDeclaration, args, callback)
     {
         throw "Not implemented";
     },
 
     /**
-     * @return {?WebInspector.Target}
+     * @return {!WebInspector.Target}
      */
     target: function()
     {
-        return null;
+        throw new Error("Target-less object");
+    },
+
+    /**
+     * @param {function(?DebuggerAgent.FunctionDetails)} callback
+     */
+    functionDetails: function(callback)
+    {
+        callback(null);
     }
 }
 
 /**
  * @param {*} value
  * @return {!WebInspector.RemoteObject}
  */
 WebInspector.RemoteObject.fromLocalObject = function(value)
 {
     return new WebInspector.LocalJSONObject(value);
@@ skipping 363 matching lines @@
         if (this.subtype !== "array")
             return 0;
 
         var matches = this._description.match(/\[([0-9]+)\]/);
         if (!matches)
             return 0;
         return parseInt(matches[1], 10);
     },
 
     /**
-     * @return {?WebInspector.Target}
+     * @return {!WebInspector.Target}
      */
     target: function()
     {
         return this._target;
     },
 
+    /**
+     * @param {function(?DebuggerAgent.FunctionDetails)} callback
+     */
+    functionDetails: function(callback)
+    {
+        this._target.debuggerModel.functionDetails(this, callback)
+    },
+
     __proto__: WebInspector.RemoteObject.prototype
 };
 
 
 /**
  * @param {!WebInspector.RemoteObject} object
  * @param {boolean} flattenProtoChain
  * @param {function(?Array.<!WebInspector.RemoteObjectProperty>, ?Array.<!WebInspector.RemoteObjectProperty>)} callback
  */
 WebInspector.RemoteObject.loadFromObject = function(object, flattenProtoChain, callback)
@@ skipping 411 matching lines @@
             result = functionDeclaration.apply(target, rawArgs);
         } catch (e) {
             result = null;
         }
 
         callback(result);
     },
 
     __proto__: WebInspector.RemoteObject.prototype
 }