Issue 4670 - Add a new build type for Gecko-based WebExtensions

templates/manifest.json.tmpl

Index: templates/manifest.json.tmpl
===================================================================
--- a/templates/manifest.json.tmpl
+++ b/templates/manifest.json.tmpl
@@ -19,16 +19,30 @@
   {%- if metadata.has_section('compat') and metadata.has_option('compat', 'chrome') %}
   "minimum_chrome_version": {{metadata.get('compat', 'chrome')|json}},
   {%- endif %}
 
   {%- if metadata.has_section('compat') and metadata.has_option('compat', 'edge') %}
   "minimum_edge_version": {{metadata.get('compat', 'edge')|json}},
   {%- endif %}
 
+  {%- if type == 'gecko-webext' %}
+  "applications":
+  {
+    "gecko":
+    {
+      "id": {{metadata.get('general', 'id')|json}}
+      {%- if metadata.has_section('compat') and metadata.has_option('compat', 'gecko') %}
+      ,
+      "strict_min_version": {{metadata.get('compat', 'gecko')|json}}
+      {%- endif %}
+    }
+  },
+  {%- endif %}
+
   {%- if pageAction %}
   "page_action": {
     "default_icon": {{pageAction.icon|json}},
     {%- if pageAction.popup %}
     "default_popup": {{pageAction.popup|json}},
     {%- endif %}
     "default_title": "__MSG_name__"
   },
@@ -59,16 +73,21 @@
   {%- if backgroundScripts %}
   "background": {
     "scripts": {{backgroundScripts|json}},
     "persistent": true
   },
   {%- endif %}
 
   {%- if metadata.has_option('general', 'options') %}
+  "options_ui": {
+    "page": {{metadata.get('general', 'options')|json}},
+    "open_in_tab": true
+  },
+  {# Edge doesn't support options_ui so we specify options_page as well #}

[Sebastian Noack, 2016/12/02 11:47:50]

Since the target platform is known here, perhaps it makes more sense to include
the corresponding key based on the platform:

  {%- if type == 'edge' %}
    "options_page": ...
  {%- else %}
    "options_ui": ...
  {%- endif %}

[Wladimir Palant, 2016/12/03 19:02:56]

Done.

   "options_page": {{metadata.get('general', 'options')|json}},
   {%- endif %}
 
   {%- if metadata.has_option('general', 'devtools') %}
   "devtools_page": {{metadata.get('general', 'devtools')|json}},
   {%- endif %}
 
   {%- if contentScripts %}