Promote chrome app window frame color to stable.

chrome/common/extensions/api/app_window.idl

Index: chrome/common/extensions/api/app_window.idl
diff --git a/chrome/common/extensions/api/app_window.idl b/chrome/common/extensions/api/app_window.idl
index ee3c8d5b6fb4f573a33be2a30fa90d9b7d92f110..10503a9d7590e2cfed9eb68a460e28591d42708b 100644
--- a/chrome/common/extensions/api/app_window.idl
+++ b/chrome/common/extensions/api/app_window.idl
@@ -106,20 +106,20 @@ namespace app.window {
     DOMString? type;
     // Allows the frame color to be set. Frame coloring is only available if the
     // frame type is <code>chrome</code>.<br>
-    // Frame coloring is experimental and only available in dev channel.
+    // Frame coloring is new in Chrome 36.
     DOMString? color;
     // Allows the frame color of the window when active to be set. Frame
     // coloring is only available if the frame type is <code>chrome</code>.<br>
     // Frame coloring is only available if the frame type is
     // <code>chrome</code>.<br>
-    // Frame coloring is experimental and only available in dev channel.
+    // Frame coloring is new in Chrome 36.
     DOMString? activeColor;
     // Allows the frame color of the window when inactive to be set differently
     // to the active color. Frame
     // coloring is only available if the frame type is <code>chrome</code>.<br>
     // <code>inactiveColor</code> must be used in conjunction with <code>
     // color</code>.<br>
-    // Frame coloring is experimental and only available in dev channel.
+    // Frame coloring is new in Chrome 36.
     DOMString? inactiveColor;
   };