Make _helpers & _components properties protected.

src/Controller/Controller.php

@@ -197,7 +197,7 @@ class Controller extends Object implements EventListener {
  *
  * @var \Cake\Controller\ComponentRegistry
  */
-	public $_components = null;
+	protected $_components = null;
 
 /**
  * Array containing the names of components this controller uses. Component names

src/View/View.php

@@ -67,7 +67,7 @@ class View extends Object {
  *
  * @var Cake\View\HelperRegistry
  */
-	public $_helpers;
+	protected $_helpers;
 
 /**
  * ViewBlock instance.

tests/TestCase/Utility/DebuggerTest.php

@@ -317,7 +317,6 @@ class DebuggerTest extends TestCase {
 		$result = Debugger::exportVar($View);
 		$expected = <<<TEXT
 object(Cake\View\View) {
-	_helpers => object(Cake\View\HelperRegistry) {}
 	Blocks => object(Cake\View\ViewBlock) {}
 	plugin => null
 	name => ''
@@ -346,6 +345,7 @@ object(Cake\View\View) {
 	Form => object(Cake\View\Helper\FormHelper) {}
 	int => (int) 2
 	float => (float) 1.333
+	[protected] _helpers => object(Cake\View\HelperRegistry) {}
 	[protected] _ext => '.ctp'
 	[protected] _passedVars => [
 		(int) 0 => 'viewVars',