cros: Bind Ctrl-M to minimize window

chrome/browser/resources/chromeos/keyboard_overlay_data.js

 // 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.
 
 var keyboardOverlayData = {
   'inputMethodIdToOverlayId': {
     'm17n:ar:kbd': 'ar',
     'm17n:fa:isiri': 'ar',
     'm17n:hi:itrans': 'hi',
     'm17n:th:kesmanee': 'th',
@@ skipping 15817 matching lines @@
     'i<>CTRL<>SHIFT': 'keyboardOverlayDeveloperTools',
     'j<>CTRL': 'keyboardOverlayDownloads',
     'j<>CTRL<>SHIFT': 'keyboardOverlayJavascriptConsole',
     'k<>CTRL': 'keyboardOverlayFocusAddressBarInSearchMode',
     'l<>ALT<>SHIFT': 'keyboardOverlayFocusLauncher',
     'l<>CTRL': 'keyboardOverlayFocusAddressBar',
     'l<>CTRL<>SHIFT': 'keyboardOverlayLockScreen',
     'left<>ALT': 'keyboardOverlayGoBack',
     'left<>CTRL': 'keyboardOverlayPreviousWord',
     'left<>CTRL<>SHIFT': 'keyboardOverlaySelectWordAtATime',
+    'm<>CTRL': 'keyboardOverlayMinimizeWindow',
     'maximize<>ALT': 'keyboardOverlaySwapPrimaryMonitor',
     'maximize<>CTRL': 'keyboardOverlayMirrorMonitors',
     'maximize<>SHIFT': 'keyboardOverlayFullScreen',
     'n<>CTRL': 'keyboardOverlayNewWindow',
     'n<>CTRL<>SHIFT': 'keyboardOverlayNewIncognitoWindow',
     'o<>CTRL': 'keyboardOverlayOpenDialog',
     'o<>CTRL<>SHIFT': 'keyboardOverlayBookmarkManager',
     'p<>CTRL': 'keyboardOverlayPrint',
     'power': 'keyboardOverlayLockScreenOrPowerOff',
     'q<>CTRL<>SHIFT': 'keyboardOverlaySignOut',
@@ skipping 23 matching lines @@
     'up<>ALT<>CTRL': 'keyboardOverlayHome',
     'v<>CTRL': 'keyboardOverlayPaste',
     'v<>CTRL<>SHIFT': 'keyboardOverlayPasteAsPlainText',
     'w<>CTRL': 'keyboardOverlayCloseTab',
     'w<>CTRL<>SHIFT': 'keyboardOverlayCloseWindow',
     'x<>CTRL': 'keyboardOverlayCut',
     'z<>ALT<>CTRL': 'keyboardOverlayToggleSpokenFeedback',
     'z<>CTRL': 'keyboardOverlayUndo'
   }
 };