[MacViews] Use ChromeCommandDispatcherDelegate to handle keyboard shortcuts.

ui/views/cocoa/native_widget_mac_nswindow.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 "ui/views/cocoa/native_widget_mac_nswindow.h"
 
 #include "base/mac/foundation_util.h"
 #import "ui/views/cocoa/views_nswindow_delegate.h"
 #include "ui/views/controls/menu/menu_controller.h"
 #include "ui/views/widget/native_widget_mac.h"
@@ skipping 38 matching lines @@
   return menuController && menuController->owner() == [self viewsWidget];
 }
 
 - (BOOL)_isTitleHidden {
   if (![self delegate])
     return NO;
 
   return ![self viewsWidget]->widget_delegate()->ShouldShowWindowTitle();
 }
 
+// Public methods.

[tapted, 2015/08/27 02:58:18]

nit: should come before private methods (after initializer (or after dealloc, if
there was one))

[jackhou1, 2015/08/27 22:37:48]

Done.

+
+- (void)setCommandDispatcherDelegate:(id<CommandDispatcherDelegate>)delegate {
+  [commandDispatcher_ setDelegate:delegate];
+}
+
+// NSWindow overrides.

[tapted, 2015/08/27 02:58:18]

I think technically _isTitleHidden is an NSWindow override as well

[jackhou1, 2015/08/27 22:37:47]

Done.

+
 // Ignore [super canBecome{Key,Main}Window]. The default is NO for windows with
 // NSBorderlessWindowMask, which is not the desired behavior.
 // Note these can be called via -[NSWindow close] while the widget is being torn
 // down, so check for a delegate.
 - (BOOL)canBecomeKeyWindow {
   return [self delegate] && [self viewsWidget]->CanActivate();
 }
 
 - (BOOL)canBecomeMainWindow {
   if (![self delegate])
@@ skipping 80 matching lines @@
 
 - (BOOL)redispatchKeyEvent:(NSEvent*)event {
   return [commandDispatcher_ redispatchKeyEvent:event];
 }
 
 - (BOOL)defaultPerformKeyEquivalent:(NSEvent*)event {
   return [super performKeyEquivalent:event];
 }
 
 @end