Promote chrome app window frame color to stable.

chrome/common/extensions/api/app_window.idl

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Use the <code>chrome.app.window</code> API to create windows. Windows
 // have an optional frame with title bar and size controls. They are not
 // associated with any Chrome browser windows.
 namespace app.window {
 
   // Previously named Bounds.
@@ skipping 88 matching lines @@
     // Frame type: <code>none</code> or <code>chrome</code> (defaults to
     // <code>chrome</code>).<br>
     // For <code>none</code>, the <code>-webkit-app-region</code> CSS property
     // can be used to apply draggability to the app's window.
     // <code>-webkit-app-region: drag</code> can be used to mark regions
     // draggable. <code>no-drag</code> can be used to disable this style on
     // nested elements.<br>
     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;
   };
 
   // State of a window: normal, fullscreen, maximized, minimized.
   enum State { normal, fullscreen, maximized, minimized };
 
   // 'shell' is the default window type. 'panel' is managed by the OS
   // (Currently experimental, Ash only).
   [nodoc] enum WindowType { shell, panel };
 
@@ skipping 287 matching lines @@
     // Fired when the window is maximized.
     [nocompile] static void onMaximized();
 
     // Fired when the window is minimized.
     [nocompile] static void onMinimized();
 
     // Fired when the window is restored from being minimized or maximized.
     [nocompile] static void onRestored();
   };
 };