Google Docs accessibility (#1875)

* Add accessibility option for forcing Google Docs HTML-based rendering

* Update settings

* Send a documentStart message at document start

* Add accessibility script for Google Docs

* Set up accessibility

* Update tests

1 files changed, 13 insertions, 1 deletions

diff --git a/ext/js/data/options-util.js b/ext/js/data/options-util.js
index 42d8a93a..30ffadb1 100644
--- a/ext/js/data/options-util.js
+++ b/ext/js/data/options-util.js
@@ -462,7 +462,8 @@ class OptionsUtil {
             {async: true,  update: this._updateVersion10.bind(this)},
             {async: false, update: this._updateVersion11.bind(this)},
             {async: true,  update: this._updateVersion12.bind(this)},
-            {async: true,  update: this._updateVersion13.bind(this)}
+            {async: true,  update: this._updateVersion13.bind(this)},
+            {async: false, update: this._updateVersion14.bind(this)}
         ];
         if (typeof targetVersion === 'number' && targetVersion < result.length) {
             result.splice(targetVersion);
@@ -864,4 +865,15 @@ class OptionsUtil {
         }
         return options;
     }
+
+    _updateVersion14(options) {
+        // Version 14 changes:
+        //  Added accessibility options.
+        for (const profile of options.profiles) {
+            profile.options.accessibility = {
+                forceGoogleDocsHtmlRendering: false
+            };
+        }
+        return options;
+    }
 }