MD Settings: Display: Disable orientaiton control in tablet mode

extensions/common/api/system_display.idl

 // Copyright 2013 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>system.display</code> API to query display metadata.
 namespace system.display {
 
   dictionary Bounds {
     // The x-coordinate of the upper-left corner.
     long left;
@@ skipping 115 matching lines @@
     // True if this is an internal display.
     boolean isInternal;
 
     // True if this display is enabled.
     boolean isEnabled;
 
     // True for all displays when in unified desktop mode. See documentation
     // for $(ref:enableUnifiedDesktop).
     boolean isUnified;
 
+    // True when the display is in maximize mode. This is enabled for touch
+    // devices with auto rotation. It is only set for the primary display.
+    // The default value is false.
+    boolean? isMaximizeMode;
+
     // The number of pixels per inch along the x-axis.
     double dpiX;
 
     // The number of pixels per inch along the y-axis.
     double dpiY;
 
     // The display's clockwise rotation in degrees relative to the vertical
     // position.
     // Currently exposed only on ChromeOS. Will be set to 0 on other platforms.
     long rotation;
@@ skipping 187 matching lines @@
     // display.
     // |id|: The display's unique identifier.
     static void clearTouchCalibration(DOMString id);
   };
 
   interface Events {
     // Fired when anything changes to the display configuration.
     static void onDisplayChanged();
   };
 };