Remove $options argument from ContextInterface::val() to maintain BC.

src/View/Form/ContextInterface.php

@@ -46,16 +46,19 @@ public function isCreate();
     /**
      * Get the current value for a given field.
      *
-     * @param string $field A dot separated path to the field a value
-     *   is needed for.
-     * @param array $options Options:
+     * Classes implementing this method can optionally have a second argument
+     * `$options`. Valid key for `$options` array are:
+     *
      *   - `default`: Default value to return if no value found in request
      *     data or context record.
      *   - `schemaDefault`: Boolen indicating whether default value from
      *      context's schema should be used if it's not explicitly provided.
+     *
+     * @param string $field A dot separated path to the field a value
+     *   is needed for.
      * @return mixed
      */
-    public function val($field, $options = []);
+    public function val($field);
 
     /**
      * Check if a given field is 'required'.

src/View/Form/NullContext.php

@@ -70,7 +70,7 @@ public function isCreate()
     /**
      * {@inheritDoc}
      */
-    public function val($field, $options = [])
+    public function val($field)
     {
         return $this->_request->data($field);
     }