feature #16687 [Form] Deprecated TimezoneType::getTimezones() (webmozart)

This PR was merged into the 2.8 branch.

Discussion
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[Form] Deprecated TimezoneType::getTimezones()

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This method is useless as of https://github.com/symfony/symfony/pull/16681. It needs to be deprecated before we can remove it since it is public.

Commits
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41df3fc [Form] Deprecated TimezoneType::getTimezones()

UPGRADE-2.8.md

@@ -251,6 +251,9 @@ Form
        <tag name="form.type_extension" extended-type="Symfony\Component\Form\Extension\Core\Type\TextType" />
    </service>
    ```
+   
+ * The `TimezoneType::getTimezones()` method was deprecated and will be removed
+   in Symfony 3.0. You should not use this method.
 
 Translator
 ----------

UPGRADE-3.0.md

@@ -311,6 +311,9 @@ UPGRADE FROM 2.x to 3.0
 
  * The `Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList` class has been removed in
    favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
+   
+ * The `TimezoneType::getTimezones()` method was removed. You should not use 
+   this method.
 
 ### FrameworkBundle
 

src/Symfony/Component/Form/Extension/Core/Type/TimezoneType.php

@@ -75,9 +75,13 @@ class TimezoneType extends AbstractType
      * overhead.
      *
      * @return array The timezone choices
+     *
+     * @deprecated Deprecated since version 2.8
      */
     public static function getTimezones()
     {
+        @trigger_error('The TimezoneType::getTimezones() method is deprecated since version 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
+
         if (null === static::$timezones) {
             static::$timezones = array();