Limit scope of settings API configuration and proxy permission

chrome/common/extensions/api/types.json

Index: chrome/common/extensions/api/types.json
diff --git a/chrome/common/extensions/api/types.json b/chrome/common/extensions/api/types.json
index 824425622aa5f5aa4e3ae523487c1a0a15861466..1b49dccfd7ddc6cde5719c809f9ad67b6e1ffb6a 100644
--- a/chrome/common/extensions/api/types.json
+++ b/chrome/common/extensions/api/types.json
@@ -46,7 +46,7 @@
                         "type": "any"
                       },
                       "levelOfControl": {
-                        "description": "One of<ul><li><var>not_controllable</var>: cannot be controlled by any extension</li><li><var>controlled_by_other_extensions</var>: controlled by extensions with higher precedence</li><li><var>controllable_by_this_extension</var>: can be controlled by this extension</li><li><var>controlled_by_this_extension</var>: controlled by this extension</li></ul>",
+                        "description": "One of<ul><li><var>not_controllable</var>: cannot be controlled by this extension due to lack of permission or cannot be controlled by any extension</li><li><var>controlled_by_other_extensions</var>: controlled by extensions with higher precedence</li><li><var>controllable_by_this_extension</var>: can be controlled by this extension</li><li><var>controlled_by_this_extension</var>: controlled by this extension</li></ul>",

[Bernhard Bauer, 2014/03/04 17:31:18]

Hm... if an extension doesn't have incognito permissions, should we even allow
reading the proxy settings for incognito? And in that case, it shouldn't happen
that we will tell the extension that it can't change the value because it
doesn't have incognito permissions.

[battre, 2014/03/05 08:34:36]

Yes, you are right. In case the extension does not have incognito permission, we
don't allow reading the value. I have reverted the string. Good catch.

Done.

                         "type": "string",
                         "enum": ["not_controllable", "controlled_by_other_extensions", "controllable_by_this_extension", "controlled_by_this_extension"]
                       },