remove scroll down button backbone view as we are using it directly now

background.html

@@ -222,7 +222,6 @@
   <script type='text/javascript' src='js/views/react_wrapper_view.js'></script>
   <script type='text/javascript' src='js/views/whisper_view.js'></script>
   <script type='text/javascript' src='js/views/last_seen_indicator_view.js'></script>
-  <script type='text/javascript' src='js/views/scroll_down_button_view.js'></script>
   <script type='text/javascript' src='js/views/toast_view.js'></script>
   <script type='text/javascript' src='js/views/session_toast_view.js'></script>
   <script type='text/javascript' src='js/views/conversation_loading_view.js'></script>

background_test.html

@@ -222,7 +222,6 @@
   <script type='text/javascript' src='js/views/react_wrapper_view.js'></script>
   <script type='text/javascript' src='js/views/whisper_view.js'></script>
   <script type='text/javascript' src='js/views/last_seen_indicator_view.js'></script>
-  <script type='text/javascript' src='js/views/scroll_down_button_view.js'></script>
   <script type='text/javascript' src='js/views/toast_view.js'></script>
   <script type='text/javascript' src='js/views/session_toast_view.js'></script>
   <script type='text/javascript' src='js/views/conversation_loading_view.js'></script>

js/modules/signal.js

@@ -80,9 +80,6 @@ const {
 const {
   SessionDropdown,
 } = require('../../ts/components/session/SessionDropdown');
-const {
-  SessionScrollButton,
-} = require('../../ts/components/session/SessionScrollButton');
 const {
   SessionRegistrationView,
 } = require('../../ts/components/session/SessionRegistrationView');
@@ -308,7 +305,6 @@ exports.setup = (options = {}) => {
     SessionPasswordModal,
     SessionPasswordPrompt,
     SessionDropdown,
-    SessionScrollButton,
     MediaGallery,
     Message,
     MessageBody,

js/views/scroll_down_button_view.js

@@ -1,22 +0,0 @@
-/* global Whisper */
-
-// eslint-disable-next-line func-names
-(function() {
-  'use strict';
-
-  window.Whisper = window.Whisper || {};
-
-  Whisper.ScrollDownButtonView = Whisper.View.extend({
-    initialize() {},
-
-    render() {
-      this.scrollButtonView = new Whisper.ReactWrapperView({
-        className: 'module-scroll-down',
-        Component: window.Signal.Components.SessionScrollButton,
-      });
-
-      this.$el.append(this.scrollButtonView.el);
-      return this;
-    },
-  });
-})();

stylesheets/_session.scss

@@ -1337,7 +1337,8 @@ input {
 
 .session-scroll-button {
   animation: fadein $session-fadein-duration;
-  position: absolute;
+  position: sticky;
+  text-align: -webkit-right;
   bottom: 15px;
   right: 25px;
   z-index: 2;

test/index.html

@@ -259,7 +259,6 @@
   <script type="text/javascript" src="../js/views/react_wrapper_view.js"></script>
   <script type="text/javascript" src="../js/views/whisper_view.js"></script>
   <script type="text/javascript" src="../js/views/last_seen_indicator_view.js"></script>
-  <script type="text/javascript" src="../js/views/scroll_down_button_view.js"></script>
   <script type="text/javascript" src="../js/views/toast_view.js"></script>
   <script type="text/javascript" src="../js/views/session_toast_view.js"></script>
   <script type="text/javascript" src="../js/views/conversation_loading_view.js"></script>
@@ -300,7 +299,6 @@
   <script type="text/javascript" src="views/inbox_view_test.js"></script>
   <script type="text/javascript" src="views/network_status_view_test.js"></script>
   <script type="text/javascript" src="views/last_seen_indicator_view_test.js"></script>
-  <script type="text/javascript" src="views/scroll_down_button_view_test.js"></script>
 
   <script type="text/javascript" src="models/conversations_test.js"></script>
   <script type="text/javascript" src="models/messages_test.js"></script>

test/views/scroll_down_button_view_test.js

@@ -1,12 +0,0 @@
-/* global Whisper */
-
-describe('ScrollDownButtonView', () => {
-  it('renders ', () => {
-    const view = new Whisper.ScrollDownButtonView();
-    view.render();
-    assert.match(
-      view.$el.html(),
-      /<div class="session-icon-button huge" role="button"><svg /
-    );
-  });
-});