Call OnDecorationsChanged when the save card icon is updated.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // Copyright 2012 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/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 180 matching lines @@
   if (!web_contents)
     return;
 
   // |controller| may be nullptr due to lazy initialization.
   autofill::SaveCardBubbleControllerImpl* controller =
       autofill::SaveCardBubbleControllerImpl::FromWebContents(web_contents);
   bool enabled = controller && controller->IsIconVisible();
   command_updater()->UpdateCommandEnabled(IDC_SAVE_CREDIT_CARD_FOR_PAGE,
                                           enabled);
   save_credit_card_decoration_->SetVisible(enabled);
+  OnDecorationsChanged();
 }
 
 void LocationBarViewMac::UpdatePageActions() {
   RefreshPageActionDecorations();
   Layout();
 
   [field_ updateMouseTracking];
   [field_ setNeedsDisplay:YES];
 }
 
@@ skipping 505 matching lines @@
 
   return zoom_decoration_->UpdateIfNecessary(
       ui_zoom::ZoomController::FromWebContents(web_contents),
       default_zoom_changed);
 }
 
 void LocationBarViewMac::OnDefaultZoomLevelChanged() {
   if (UpdateZoomDecoration(/*default_zoom_changed=*/true))
     OnDecorationsChanged();
 }