Move command handling and updating off Browser and onto a helper object.

chrome/browser/global_keyboard_shortcuts_mac.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_GLOBAL_KEYBOARD_SHORTCUTS_MAC_H_
 #define CHROME_BROWSER_GLOBAL_KEYBOARD_SHORTCUTS_MAC_H_
 #pragma once
 
 #include "base/basictypes.h"
 
 struct KeyboardShortcutData {
   bool command_key;
   bool shift_key;
   bool cntrl_key;
   bool opt_key;
   // Either one of vkey_code or key_char must be specified.  For keys
   // whose virtual key code is hardware-dependent (kVK_ANSI_*) key_char
   // should be specified instead.
   // Set 0 for the one you do not want to specify.
   int vkey_code;  // Virtual Key code for the command.
   unichar key_char;  // Key event characters for the command as reported by
                      // [NSEvent charactersIgnoringModifiers].
   int chrome_command;  // The chrome command # to execute for this shortcut.
 };
 
 // Check if a given keycode + modifiers (or keychar + modifiers if the
 // |key_char| is specified) correspond to a given Chrome command.
-// returns: Command number (as passed to Browser::ExecuteCommand) or -1 if there
-// was no match.
+// returns: Command number (as passed to
+// BrowserCommandController::ExecuteCommand) or -1 if there was no match.
 //
 // |performKeyEquivalent:| bubbles events up from the window to the views.  If
 // we let it bubble up to the Omnibox, then the Omnibox handles cmd-left/right
 // just fine, but it swallows cmd-1 and doesn't give us a chance to intercept
 // this. Hence, we need three types of keyboard shortcuts: shortcuts that are
 // intercepted before the Omnibox handles events, shortcuts that are
 // intercepted after the Omnibox had a chance but did not handle them, and
 // shortcuts that are only handled when tab contents is focused.
 //
 // This means cmd-left doesn't work if you hit cmd-l tab, which focusses
@@ skipping 33 matching lines @@
 unichar KeyCharacterForEvent(NSEvent* event);
 
 // For testing purposes.
 const KeyboardShortcutData* GetWindowKeyboardShortcutTable(size_t* num_entries);
 const KeyboardShortcutData*
     GetDelayedWindowKeyboardShortcutTable(size_t* num_entries);
 const KeyboardShortcutData*
     GetBrowserKeyboardShortcutTable(size_t* num_entries);
 
 #endif  // #ifndef CHROME_BROWSER_GLOBAL_KEYBOARD_SHORTCUTS_MAC_H_