Add facitility for Global Keyboard shortcuts.

chrome/browser/cocoa/browser_window_controller.mm

Index: chrome/browser/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/cocoa/browser_window_controller.mm b/chrome/browser/cocoa/browser_window_controller.mm
index da2ede6310513b7657c18731ceeb43a346f3b164..f9b4d990d13b6a8f7d4d96c0b9c6776e0e245825 100644
--- a/chrome/browser/cocoa/browser_window_controller.mm
+++ b/chrome/browser/cocoa/browser_window_controller.mm
@@ -671,6 +671,11 @@ willPositionSheet:(NSWindow *)sheet
   return fullscreen_;
 }
 
+- (void)executeCommand:(int)command {

[pink (ping after 24hrs), 2009/07/08 13:48:17]

do you want to re-tool commandDispatch: to go through this method? It bugs me a
little that we now have two methods that basically do the same thing, though I
understand why. At least maybe put them next to each other in the code?

+  if (browser_->command_updater()->IsCommandEnabled(command))
+    browser_->ExecuteCommand(command);
+}
+
 // Called by the bookmark bar to open a URL.
 - (void)openBookmarkURL:(const GURL&)url
             disposition:(WindowOpenDisposition)disposition {