Remove unused message_tour.js.

(imported from commit e25a9315377ad11d47ad78a5d466df40e306f713)

static/js/message_tour.js

@@ -1,49 +0,0 @@
-var message_tour = (function () {
-// A "message tour" starts with the first narrow from the home view,
-// continues when a user visits several narrows in a row, and ends
-// when they return to the home view.  This module helps us track
-// where a user has visited during the tour.
-
-// For a message tour, we keep track of messages that get visited
-// below our original starting message id.  This helps us with
-// pointer positioning, knowing where the user has visited.
-// Call start_tour to start the tour.
-// Call get_tour to get a list of visited nodes.
-// Only after calling get_tour, call finish_tour to finish the tour.
-
-var exports = {};
-
-var ids_visited = [];
-var in_tour = false;
-var start_msg_id;
-
-exports.visit = function (msg_id) {
-	if (!in_tour) {
-		return;
-	}
-	if (msg_id < start_msg_id) {
-		return;
-	}
-	ids_visited.push(msg_id);
-};
-
-exports.start_tour = function (msg_id) {
-	ids_visited = [];
-	start_msg_id = msg_id;
-	in_tour = true;
-};
-
-exports.finish_tour = function () {
-	ids_visited = [];
-	in_tour = false;
-};
-
-exports.get_tour = function () {
-	return ids_visited.slice(0);
-};
-
-return exports;
-}());
-if (typeof module !== 'undefined') {
-    module.exports = message_tour;
-}

tools/jslint/check-all.js

@@ -25,7 +25,7 @@ var globals =
     + ' compose compose_fade rows hotkeys narrow reload notifications_bar search subs'
     + ' composebox_typeahead typeahead_helper notifications hashchange'
     + ' invite ui util activity timerender MessageList MessageListView blueslip unread stream_list'
-    + ' message_edit tab_bar emoji popovers navigate message_tour settings'
+    + ' message_edit tab_bar emoji popovers navigate settings'
     + ' avatar feature_flags search_suggestion referral stream_color Dict'
     + ' Filter summary admin stream_data muting WinChan muting_ui Socket'
 

zerver/tests/frontend/node/message_tour.js

@@ -1,23 +0,0 @@
-// This is a framework-free unit test for the message_tour.js
-// module.  There's a long comment there explaining the module's
-// purpose, but, briefly, it provides an API to keep track of
-// messages that you visit on a "tour."
-
-var message_tour = require('js/message_tour.js');
-var assert = require('assert');
-
-(function test_basic_tour() {
-    message_tour.start_tour(5);
-    message_tour.visit(3); // too small
-    message_tour.visit(7);
-    message_tour.visit(6);
-    message_tour.visit(4); // too small
-    assert.deepEqual(message_tour.get_tour(), [7,6]);
-    message_tour.finish_tour();
-    assert.deepEqual(message_tour.get_tour(), []);
-    message_tour.visit(7); // should be ignored
-    message_tour.start_tour(5);
-    message_tour.visit(13);
-    assert.deepEqual(message_tour.get_tour(), [13]);
-}());
-

zproject/settings.py

@@ -496,7 +496,6 @@ JS_SPECS = {
             'js/viewport.js',
             'js/rows.js',
             'js/unread.js',
-            'js/message_tour.js',
             'js/stream_list.js',
             'js/filter.js',
             'js/narrow.js',