profile switcher: allow numpad enter for button activations

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 
 #import <Carbon/Carbon.h>  // kVK_Return.
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
@@ skipping 869 matching lines @@
     NSColor* backgroundColor = isHighlighted ? hoverColor_ : backgroundColor_;
     [[self cell] setBackgroundColor:backgroundColor];
   }
   [super drawRect:dirtyRect];
 }
 
 -(void)keyDown:(NSEvent*)event {
   // Since there is no default button in the bubble, it is safe to activate
   // all buttons on Enter as well, and be consistent with the Windows
   // implementation.
-  if ([event keyCode] == kVK_Return)
+  if ([event keyCode] == kVK_Return || [event keyCode] == kVK_ANSI_KeypadEnter)
     [self performClick:self];
   else
     [super keyDown:event];
 }
 
 - (BOOL)canBecomeKeyView {
   return [self isEnabled] ? YES : NO;
 }
 
 @end
@@ skipping 2034 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end