cocoa: add some tab-manipulation menu items

chrome/browser/ui/cocoa/browser_window_command_handler.mm

 // Copyright 2015 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/browser_window_command_handler.h"
 
 #include "base/logging.h"
 #import "base/mac/foundation_util.h"
 #include "chrome/app/chrome_command_ids.h"
 #import "chrome/browser/app_controller_mac.h"
@@ skipping 38 matching lines @@
   if (tag == IDC_SHOW_BOOKMARK_BAR) {
     SetToggleState(browser->window()->IsBookmarkBarVisible(), item);
     return;
   }
 
   if (tag == IDC_TOGGLE_FULLSCREEN_TOOLBAR) {
     PrefService* prefs = browser->profile()->GetPrefs();
     SetToggleState(prefs->GetBoolean(prefs::kShowFullscreenToolbar), item);
     return;
   }
+
+  if (tag == IDC_WINDOW_MUTE_TAB) {
+    TabStripModel* model = browser->tab_strip_model();
+    SetToggleState(!model->WillContextMenuMute(model->active_index()), item);
+    return;
+  }
+
+  if (tag == IDC_WINDOW_PIN_TAB) {
+    TabStripModel* model = browser->tab_strip_model();
+    SetToggleState(!model->WillContextMenuPin(model->active_index()), item);
+    return;
+  }
 }
 
 NSString* GetTitleForViewsFullscreenMenuItem(Browser* browser) {
   return l10n_util::GetNSString(browser->window()->IsFullscreen()
                                     ? IDS_EXIT_FULLSCREEN_MAC
                                     : IDS_ENTER_FULLSCREEN_MAC);
 }
 
 // Get the text for the "Enter/Exit Fullscreen" menu item.
 // TODO(jackhou): Remove the dependency on BrowserWindowController(Private).
@@ skipping 141 matching lines @@
     // the background" in this case.
     modifierFlags &= ~NSCommandKeyMask;
   }
   chrome::ExecuteCommandWithDisposition(
       FindBrowserForSender(sender, window), command,
       ui::WindowOpenDispositionFromNSEventWithFlags([NSApp currentEvent],
                                                     modifierFlags));
 }
 
 @end