MD Settings: Display: Add unified desktop control and modify api

extensions/common/api/system_display.idl

Index: extensions/common/api/system_display.idl
diff --git a/extensions/common/api/system_display.idl b/extensions/common/api/system_display.idl
index 6a1a921e8530bba82b5c29e53a09d180d3fd2470..3862db499bcccb6cbf06ce0a24ccfd8ebcece6e6 100644
--- a/extensions/common/api/system_display.idl
+++ b/extensions/common/api/system_display.idl
@@ -129,6 +129,10 @@ namespace system.display {
     // True if this display is enabled.
     boolean isEnabled;
 
+    // True if this display is in unified desktop mode (see documentation
+    // for <code>enableUnifiedDesktop</code>).

[Devlin, 2017/04/06 14:51:43]

I think that $(ref:enableUnifiedDesktop) should linkify this.  Can you try that
with the preview.py script?

[stevenjb, 2017/04/06 16:21:12]

Done.

+    boolean isUnified;
+
     // The number of pixels per inch along the x-axis.
     double dpiX;