[Mac] Map ContextMenu key to corresponding DomKey and keyCode

ui/events/keycodes/keyboard_code_conversion_mac.mm

 // 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.
 
 #import "ui/events/keycodes/keyboard_code_conversion_mac.h"
 
 #include <algorithm>
 
 #import <Carbon/Carbon.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/macros.h"
 #include "ui/events/keycodes/dom/keycode_converter.h"
 
 namespace ui {
 
 namespace {
 
 // This value is not defined but shows up as 0x36.
 const int kVK_RightCommand = 0x36;
+// Context menu is not defined but shows up as 0x6E.
+const int kVK_ContextMenu = 0x6E;
 
 // A struct to hold a Windows keycode to Mac virtual keycode mapping.
 struct KeyCodeMap {
   KeyboardCode keycode;
   int macKeycode;
   unichar characterIgnoringAllModifiers;
 };
 
 // Customized less operator for using std::lower_bound() on a KeyCodeMap array.
 bool operator<(const KeyCodeMap& a, const KeyCodeMap& b) {
@@ skipping 386 matching lines @@
     /* 0x64 */ VKEY_F8,
     /* 0x65 */ VKEY_F9,
     /* 0x66 */ VKEY_UNKNOWN, // Eisu (JIS Keyboard Only)
     /* 0x67 */ VKEY_F11,
     /* 0x68 */ VKEY_UNKNOWN, // Kana (JIS Keyboard Only)
     /* 0x69 */ VKEY_F13,
     /* 0x6A */ VKEY_F16,
     /* 0x6B */ VKEY_F14,
     /* 0x6C */ VKEY_UNKNOWN, // n/a
     /* 0x6D */ VKEY_F10,
-    /* 0x6E */ VKEY_UNKNOWN, // n/a (Windows95 key?)
+    /* 0x6E */ VKEY_APPS, // Context Menu key
     /* 0x6F */ VKEY_F12,
     /* 0x70 */ VKEY_UNKNOWN, // n/a
     /* 0x71 */ VKEY_F15,
     /* 0x72 */ VKEY_INSERT, // Help
     /* 0x73 */ VKEY_HOME, // Home
     /* 0x74 */ VKEY_PRIOR, // Page Up
     /* 0x75 */ VKEY_DELETE, // Forward Delete
     /* 0x76 */ VKEY_F4,
     /* 0x77 */ VKEY_END, // End
     /* 0x78 */ VKEY_F2,
@@ skipping 98 matching lines @@
     case kVK_PageDown:
       return DomKey::PAGE_DOWN;
     case kVK_LeftArrow:
       return DomKey::ARROW_LEFT;
     case kVK_RightArrow:
       return DomKey::ARROW_RIGHT;
     case kVK_DownArrow:
       return DomKey::ARROW_DOWN;
     case kVK_UpArrow:
       return DomKey::ARROW_UP;
+    case kVK_ContextMenu:
+      return DomKey::CONTEXT_MENU;
     default:
       return DomKey::NONE;
   }
 }
 
 DomKey DomKeyFromCharCode(unichar char_code) {
   switch (char_code) {
     case NSUpArrowFunctionKey:
       return DomKey::ARROW_UP;
     case NSDownArrowFunctionKey:
@@ skipping 309 matching lines @@
             &unused_is_dead_key);
       }
       if (!std::iscntrl(dom_key_char))
         return DomKeyFromCharCode(dom_key_char);
     }
   }
   return DomKeyFromKeyCode([event keyCode]);
 }
 
 }  // namespace ui