console: Add noop impls of methods required in spec

- this conforms to the following spec
- https://github.com/DeveloperToolsWG/console-object/blob/master/api.md

Author: aks-

doc/api/console.markdown

@@ -105,6 +105,24 @@ to the current position.
 Similar to [assert.ok()][], but the error message is formatted as
 `util.format(message...)`.
 
+### Compatibility functions
+
+NOTE: The following functions are defined for compatibility purpose, and are not expected to do anything
+
+* `console.group`
+* `console.groupCollapsed`
+* `console.groupEnd`
+* `console.clear`
+* `console.count`
+* `console.dirxml`
+* `console.isIndependentlyComposed`
+* `console.table`
+* `console.profile`
+* `console.profileEnd`
+* `console.timeline`
+* `console.timelineEnd`
+* `console.timeStamp`
+
 ## Class: Console
 
 <!--type=class-->

lib/console.js

@@ -90,5 +90,47 @@ Console.prototype.assert = function(expression) {
 };
 
 
+Console.prototype.group = noop;
+
+
+Console.prototype.groupCollapsed = noop;
+
+
+Console.prototype.groupEnd = noop;
+
+
+Console.prototype.clear = noop;
+
+
+Console.prototype.count = noop;
+
+
+Console.prototype.dirxml = noop;
+
+
+Console.prototype.isIndependentlyComposed = noop;
+
+
+Console.prototype.table = noop;
+
+
+Console.prototype.profile = noop;
+
+
+Console.prototype.profileEnd = noop;
+
+
+Console.prototype.timeline = noop;
+
+
+Console.prototype.timelineEnd = noop;
+
+
+Console.prototype.timeStamp = noop;
+
+
+function noop() {}
+
+
 module.exports = new Console(process.stdout, process.stderr);
 module.exports.Console = Console;

test/parallel/test-console.js

@@ -17,6 +17,36 @@ assert.doesNotThrow(function() {
   console.timeEnd('label');
 });
 
+assert.doesNotThrow(function() {
+  console.group('test');
+  console.groupEnd();
+});
+
+assert.doesNotThrow(function() {
+  console.groupCollapsed('test');
+  console.groupEnd();
+});
+
+assert.doesNotThrow(console.clear);
+
+assert.doesNotThrow(console.count);
+
+assert.doesNotThrow(console.dirxml);
+
+assert.doesNotThrow(console.exception);
+
+assert.doesNotThrow(console.isIndependentlyComposed);
+
+assert.doesNotThrow(console.profile);
+
+assert.doesNotThrow(console.profileEnd);
+
+assert.doesNotThrow(console.timeline);
+
+assert.doesNotThrow(console.timelineEnd);
+
+assert.doesNotThrow(console.timeStamp);
+
 // an Object with a custom .inspect() function
 var custom_inspect = { foo: 'bar', inspect: function() { return 'inspect'; } };