Remove dead code for system VK.

ui/keyboard/resources/elements/kb-key-codes.js

-// Copyright 2014 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.
-
-(function() {
-
-  // Flag values for ctrl, alt and shift as defined by EventFlags
-  // in "event_constants.h".
-  // @enum {number}
-  var Modifier = {
-    NONE: 0,
-    ALT: 8,
-    CONTROL: 4,
-    SHIFT: 2
-  }
-
-  // Each virtual key event is assigned a unique ID.
-  var nextRequestID = 0;
-
-  // Keycodes have been deprecated in the KeyEvent specification, but are
-  // nonetheless required to support legacy web content.  The Keycodes in the
-  // following table are based on subset of US-EN 101-key keyboard. These
-  // codes are used in the absence of explicit keycodes for kb-key and
-  // kb-keysequence elements. Keyboard layout authors may explicitly set the
-  // keyCode attribute for kb-key or kb-keysequence elements to refer to
-  // indices in this table in order to emulate a physical keyboard with an
-  // alternate layout.  Not all keys on a virtual keyboard are required to
-  // have keyCodes. The shiftModifier specifies whether to always include or
-  // exclude the shift modifer when sending key events for this key. If it's
-  // undefined, it will defer to state of the keyboard.
-  // TODO(rsadam): Correctly propagate shutdown keycode. This is currently
-  // ignored due to chromoting (crbug/146609)
-  var keyCodes = {
-    '\b': {keyCode: 0x08, keyName: 'Backspace', shiftModifier: false},
-    '\t': {keyCode: 0x09, keyName: 'Tab', shiftModifier: false},
-    '\n': {keyCode: 0x0D, keyName: 'Enter', shiftModifier: false},
-    'Esc': {keyCode: 0x1B, keyName: 'Escape', shiftModifier: false},
-    ' ': {keyCode: 0x20, keyName: 'Space', shiftModifier: false},
-    'Arrow-Left': {keyCode: 0x25, keyName: 'ArrowLeft',
-        shiftModifier: undefined},
-    'Arrow-Up': {keyCode: 0x26, keyName: 'ArrowUp', shiftModifier: undefined},
-    'Arrow-Right': {keyCode: 0x27, keyName: 'ArrowRight',
-        shiftModifier: undefined},
-    'Arrow-Down': {keyCode: 0x28, keyName: 'ArrowDown',
-        shiftModifier: undefined},
-    '0': {keyCode: 0x30, keyName: 'Digit0', shiftModifier: false},
-    ')': {keyCode: 0x30, keyName: 'Digit0', shiftModifier: true},
-    '1': {keyCode: 0x31, keyName: 'Digit1', shiftModifier: false},
-    '!': {keyCode: 0x31, keyName: 'Digit1', shiftModifier: true},
-    '2': {keyCode: 0x32, keyName: 'Digit2', shiftModifier: false},
-    '@': {keyCode: 0x32, keyName: 'Digit2', shiftModifier: true},
-    '3': {keyCode: 0x33, keyName: 'Digit3', shiftModifier: false},
-    '#': {keyCode: 0x33, keyName: 'Digit3', shiftModifier: true},
-    '4': {keyCode: 0x34, keyName: 'Digit4', shiftModifier: false},
-    '$': {keyCode: 0x34, keyName: 'Digit4', shiftModifier: true},
-    '5': {keyCode: 0x35, keyName: 'Digit5', shiftModifier: false},
-    '%': {keyCode: 0x35, keyName: 'Digit5', shiftModifier: true},
-    '6': {keyCode: 0x36, keyName: 'Digit6', shiftModifier: false},
-    '^': {keyCode: 0x36, keyName: 'Digit6', shiftModifier: true},
-    '7': {keyCode: 0x37, keyName: 'Digit7', shiftModifier: false},
-    '&': {keyCode: 0x37, keyName: 'Digit7', shiftModifier: true},
-    '8': {keyCode: 0x38, keyName: 'Digit8', shiftModifier: false},
-    '*': {keyCode: 0x38, keyName: 'Digit8', shiftModifier: true},
-    '9': {keyCode: 0x39, keyName: 'Digit9', shiftModifier: false},
-    '(': {keyCode: 0x39, keyName: 'Digit9', shiftModifier: true},
-    'a': {keyCode: 0x41, keyName: 'KeyA', shiftModifier: false},
-    'A': {keyCode: 0x41, keyName: 'KeyA', shiftModifier: true},
-    'b': {keyCode: 0x42, keyName: 'KeyB', shiftModifier: false},
-    'B': {keyCode: 0x42, keyName: 'KeyB', shiftModifier: true},
-    'c': {keyCode: 0x43, keyName: 'KeyC', shiftModifier: false},
-    'C': {keyCode: 0x43, keyName: 'KeyC', shiftModifier: true},
-    'd': {keyCode: 0x44, keyName: 'KeyD', shiftModifier: false},
-    'D': {keyCode: 0x44, keyName: 'KeyD', shiftModifier: true},
-    'e': {keyCode: 0x45, keyName: 'KeyE', shiftModifier: false},
-    'E': {keyCode: 0x45, keyName: 'KeyE', shiftModifier: true},
-    'f': {keyCode: 0x46, keyName: 'KeyF', shiftModifier: false},
-    'F': {keyCode: 0x46, keyName: 'KeyF', shiftModifier: true},
-    'g': {keyCode: 0x47, keyName: 'KeyG', shiftModifier: false},
-    'G': {keyCode: 0x47, keyName: 'KeyG', shiftModifier: true},
-    'h': {keyCode: 0x48, keyName: 'KeyH', shiftModifier: false},
-    'H': {keyCode: 0x48, keyName: 'KeyH', shiftModifier: true},
-    'i': {keyCode: 0x49, keyName: 'KeyI', shiftModifier: false},
-    'I': {keyCode: 0x49, keyName: 'KeyI', shiftModifier: true},
-    'j': {keyCode: 0x4A, keyName: 'KeyJ', shiftModifier: false},
-    'J': {keyCode: 0x4A, keyName: 'KeyJ', shiftModifier: true},
-    'k': {keyCode: 0x4B, keyName: 'KeyK', shiftModifier: false},
-    'K': {keyCode: 0x4B, keyName: 'KeyK', shiftModifier: true},
-    'l': {keyCode: 0x4C, keyName: 'KeyL', shiftModifier: false},
-    'L': {keyCode: 0x4C, keyName: 'KeyL', shiftModifier: true},
-    'm': {keyCode: 0x4D, keyName: 'KeyM', shiftModifier: false},
-    'M': {keyCode: 0x4D, keyName: 'KeyM', shiftModifier: true},
-    'n': {keyCode: 0x4E, keyName: 'KeyN', shiftModifier: false},
-    'N': {keyCode: 0x4E, keyName: 'KeyN', shiftModifier: true},
-    'o': {keyCode: 0x4F, keyName: 'KeyO', shiftModifier: false},
-    'O': {keyCode: 0x4F, keyName: 'KeyO', shiftModifier: true},
-    'p': {keyCode: 0x50, keyName: 'KeyP', shiftModifier: false},
-    'P': {keyCode: 0x50, keyName: 'KeyP', shiftModifier: true},
-    'q': {keyCode: 0x51, keyName: 'KeyQ', shiftModifier: false},
-    'Q': {keyCode: 0x51, keyName: 'KeyQ', shiftModifier: true},
-    'r': {keyCode: 0x52, keyName: 'KeyR', shiftModifier: false},
-    'R': {keyCode: 0x52, keyName: 'KeyR', shiftModifier: true},
-    's': {keyCode: 0x53, keyName: 'KeyS', shiftModifier: false},
-    'S': {keyCode: 0x53, keyName: 'KeyS', shiftModifier: true},
-    't': {keyCode: 0x54, keyName: 'KeyT', shiftModifier: false},
-    'T': {keyCode: 0x54, keyName: 'KeyT', shiftModifier: true},
-    'u': {keyCode: 0x55, keyName: 'KeyU', shiftModifier: false},
-    'U': {keyCode: 0x55, keyName: 'KeyU', shiftModifier: true},
-    'v': {keyCode: 0x56, keyName: 'KeyV', shiftModifier: false},
-    'V': {keyCode: 0x56, keyName: 'KeyV', shiftModifier: true},
-    'w': {keyCode: 0x57, keyName: 'KeyW', shiftModifier: false},
-    'W': {keyCode: 0x57, keyName: 'KeyW', shiftModifier: true},
-    'x': {keyCode: 0x58, keyName: 'KeyX', shiftModifier: false},
-    'X': {keyCode: 0x58, keyName: 'KeyX', shiftModifier: true},
-    'y': {keyCode: 0x59, keyName: 'KeyY', shiftModifier: false},
-    'Y': {keyCode: 0x59, keyName: 'KeyY', shiftModifier: true},
-    'z': {keyCode: 0x5A, keyName: 'KeyZ', shiftModifier: false},
-    'Z': {keyCode: 0x5A, keyName: 'KeyZ', shiftModifier: true},
-    'Fullscreen': {keyCode: 0x7A, shiftModifier: false},
-    'Shutdown': {keyCode: 0x98, shiftModifier: false},
-    'Back': {keyCode: 0xA6, shiftModifier: false},
-    'Forward': {keyCode: 0xA7, shiftModifier: false},
-    'Reload': {keyCode: 0xA8, shiftModifier: false},
-    'Search': {keyCode: 0xAA, shiftModifier: false},
-    'Mute': {keyCode: 0xAD, keyName: 'VolumeMute', shiftModifier: false},
-    'Volume-Down': {keyCode: 0xAE, keyName: 'VolumeDown',
-        shiftModifier: false},
-    'Volume-Up': {keyCode: 0xAF, keyName: 'VolumeUp', shiftModifier: false},
-    'Change-Window': {keyCode: 0xB6, shiftModifier: false},
-    ';': {keyCode: 0xBA, keyName: 'Semicolon', shiftModifier: false},
-    ':': {keyCode: 0xBA, keyName: 'Semicolon',shiftModifier: true},
-    '=': {keyCode: 0xBB, keyName: 'Equal', shiftModifier: false},
-    '+': {keyCode: 0xBB, keyName: 'Equal', shiftModifier: true},
-    ',': {keyCode: 0xBC, keyName: 'Comma', shiftModifier: false},
-    '<': {keyCode: 0xBC, keyName: 'Comma', shiftModifier: true},
-    '-': {keyCode: 0xBD, keyName: 'Minus', shiftModifier: false},
-    '_': {keyCode: 0xBD, keyName: 'Minus', shiftModifier: true},
-    '.': {keyCode: 0xBE, keyName: 'Period', shiftModifier: false},
-    '>': {keyCode: 0xBE, keyName: 'Period', shiftModifier: true},
-    '/': {keyCode: 0xBF, keyName: 'Slash', shiftModifier: false},
-    '?': {keyCode: 0xBF, keyName: 'Slash', shiftModifier: true},
-    '`': {keyCode: 0xC0, keyName: 'Backquote', shiftModifier: false},
-    '~': {keyCode: 0xC0, keyName: 'Backquote', shiftModifier: true},
-    'Brightness-Down': {keyCode: 0xD8, keyName: 'BrightnessDown',
-        shiftModifier: false},
-    'Brightness-Up': {keyCode: 0xD9, keyName: 'BrightnessUp',
-        shiftModifier: false},
-    '[': {keyCode: 0xDB, keyName: 'BracketLeft', shiftModifier: false},
-    '{': {keyCode: 0xDB, keyName: 'BracketLeft', shiftModifier: true},
-    '\\': {keyCode: 0xDC, keyName: 'Backslash', shiftModifier: false},
-    '|': {keyCode: 0xDC, keyName: 'Backslash', shiftModifier: true},
-    ']': {keyCode: 0xDD, keyName: 'BracketRight', shiftModifier: false},
-    '}': {keyCode: 0xDD, keyName: 'BracketRight', shiftModifier: true},
-    '\'': {keyCode: 0xDE, keyName: 'Quote', shiftModifier: false},
-    '"': {keyCode: 0xDE, keyName: 'Quote', shiftModifier: true},
-  };
-
-  Polymer('kb-key-codes', {
-    /**
-     * Retrieves the keyCode and status of the shift modifier.
-     * @param {string} id ID of an entry in the code table.
-     * @return {keyCode: numeric, shiftModifier: boolean}
-     */
-    GetKeyCodeAndModifiers: function(id) {
-      var entry = keyCodes[id];
-      if (entry) {
-        return {
-          keyCode: entry.keyCode,
-          keyName: entry.keyName || 'Unidentified',
-          shiftModifier: entry.shiftModifier
-        };
-      }
-      if (id.length != 1)
-        return;
-      // Special case of accented characters.
-      return {
-        keyCode: 0,
-        keyName: 'Unidentified',
-        shiftModifier: false
-      };
-    },
-
-   /**
-    * Creates a virtual key event for use with the keyboard extension API.
-    * See http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent.
-    * @param {Object} detail Attribute of the key being pressed or released.
-    * @param {string} type The type of key event, which may be keydown
-    *     or keyup.
-    * @return {?KeyboardEvent} A KeyboardEvent object, or undefined on
-    *     failure.
-    */
-   createVirtualKeyEvent: function(detail, type) {
-     var char = detail.char;
-     var keyCode = detail.keyCode;
-     var keyName = detail.keyName;
-     // The shift modifier is handled specially. Some charactares like '+'
-     // {keyCode: 0xBB, shiftModifier: true}, are available on non-upper
-     // keysets, and so we rely on caching the correct shiftModifier. If
-     // the cached value of the shiftModifier is undefined, we defer to
-     // the shiftModifier in the detail.
-     var shiftModifier = detail.shiftModifier;
-     if (keyCode == undefined || keyName == undefined) {
-       var state = this.GetKeyCodeAndModifiers(char);
-       if (state) {
-         keyCode = keyCode || state.keyCode;
-         keyName = keyName || state.keyName;
-         shiftModifier = (state.shiftModifier == undefined) ?
-             shiftModifier : state.shiftModifier;
-       } else {
-         // Keycode not defined.
-         return;
-       }
-     }
-     var modifiers = Modifier.NONE;
-     modifiers = shiftModifier ? modifiers | Modifier.SHIFT : modifiers;
-     modifiers = detail.controlModifier ?
-         modifiers | Modifier.CONTROL : modifiers;
-     modifiers = detail.altModifier ? modifiers | Modifier.ALT : modifiers;
-     return {
-       type: type,
-       charValue: char.charCodeAt(0),
-       keyCode: keyCode,
-       keyName: keyName,
-       modifiers: modifiers
-     };
-   },
-  });
-})();