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..ab8713ec9cca3754d1b8f40168f0279893f8ce3c 100644
--- a/extensions/common/api/system_display.idl
+++ b/extensions/common/api/system_display.idl
@@ -129,6 +129,9 @@ namespace system.display {
     // True if this display is enabled.
     boolean isEnabled;
 
+    // True if this display is in unified desktop mode.

[Devlin, 2017/04/06 00:03:26]

Is it common knowledge what this is?

[stevenjb, 2017/04/06 01:56:09]

None of this API is "common knowledge" :P Expanded the comment to reference the
enableUnifiedDesktop call FWIW.

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