Remove depreciated methods in code base.

These are already existing failures in the branch. So leave those.
Thanks for the patch.

1. +++ b/src/Form/SharethisConfigurationForm.php
   @@ -53,7 +53,7 @@ class SharethisConfigurationForm extends ConfigFormBase {
   +  public function __construct(ConfigFactoryInterface $config_factory, ModuleHandlerInterface $module_handler, EntityTypeManagerInterface $entity_manager, SharethisManagerInterface $sharethis_manager) {
   

   The $entity_manager should be $entitytype_manager
   also update the protected property name.

2. +++ b/src/SharethisManager.php
   @@ -244,7 +244,7 @@ class SharethisManager implements SharethisManagerInterface {
   +      $st_spans .= \Drupal::service('renderer')->render($meta_generator);
   

   Inject the Renderer service

Thanks for sticking to this. We are near to fix, few more nitpicks that need to do before fixing

1. +++ b/src/Form/SharethisConfigurationForm.php
   @@ -50,14 +50,16 @@ class SharethisConfigurationForm extends ConfigFormBase {
   +    $this->entityTypeManager = $entity_type_manager;
   

   you also need to update the public static function create(ContainerInterface $container) method as well and use the entityTypeManager there.

2. +++ b/src/Form/SharethisConfigurationForm.php
   @@ -375,9 +377,9 @@ class SharethisConfigurationForm extends ConfigFormBase {
   +    $entity_info = \Drupal::entityTypeManager()->getAllBundleInfo('node');
   

   Use DI here. $this->entityTypeManager

3. +++ b/src/Plugin/Block/SharethisWidgetBlock.php
   @@ -135,7 +135,7 @@ class SharethisWidgetBlock extends BlockBase implements ContainerFactoryPluginIn
          else {
   

   Inject the config service in this block and use the DI to replace \Drupal::config('system.site')

4. +++ b/src/Plugin/Views/field/SharethisNode.php
   @@ -34,7 +34,7 @@ class SharethisNode extends FieldPluginBase {
        $sharethis_manager = \Drupal::service('sharethis.manager');
   

   Inject the sharethis.manager service and use the DI instead of \Drupal class functions. See example here https://api.drupal.org/api/drupal/core%21modules%21user%21src%21Plugin%2...

5. +++ b/src/SharethisManager.php
   @@ -34,16 +35,26 @@ class SharethisManager implements SharethisManagerInterface {
       * Constructs an SharethisManager object.
   

   Also inject the current_route_match service and use it for \Drupal::routeMatch()->getRouteName()

Used the right services for the replacement of entity.manager service. See more about it https://www.drupal.org/node/2549139

fixing the failures

Committed and pushed to 8.x-2.x-dev
Thanks!