Fix crasher in LocationBarViewMac::PageActionImageView::OnImageLoaded....

chrome/browser/cocoa/location_bar_view_mac.mm

 // Copyright (c) 2010 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/cocoa/location_bar_view_mac.h"
 
 #include "app/l10n_util_mac.h"
 #include "app/resource_bundle.h"
 #include "base/i18n/rtl.h"
 #include "base/nsimage_cache_mac.h"
@@ skipping 169 matching lines @@
 void LocationBarViewMac::UpdatePageActions() {
   size_t count_before = page_action_views_.Count();
   page_action_views_.RefreshViews();
   [field_ resetFieldEditorFrameIfNeeded];
   if (page_action_views_.Count() != count_before) {
     NotificationService::current()->Notify(
         NotificationType::EXTENSION_PAGE_ACTION_COUNT_CHANGED,
         Source<LocationBar>(this),
         NotificationService::NoDetails());
   }
+  [field_ setNeedsDisplay:YES];
 }
 
 void LocationBarViewMac::InvalidatePageActions() {
   size_t count_before = page_action_views_.Count();
   page_action_views_.DeleteAll();
   if (page_action_views_.Count() != count_before) {
     NotificationService::current()->Notify(
         NotificationType::EXTENSION_PAGE_ACTION_COUNT_CHANGED,
         Source<LocationBar>(this),
         NotificationService::NoDetails());
@@ skipping 492 matching lines @@
   // Map the index of the loaded image back to its name. If we ever get an
   // index greater than the number of icons, it must be the default icon.
   if (image) {
     if (index < static_cast<int>(page_action_->icon_paths()->size()))
       page_action_icons_[page_action_->icon_paths()->at(index)] = *image;
     else
       page_action_icons_[page_action_->default_icon_path()] = *image;
   }
 
   owner_->UpdatePageActions();
-
-  if (preview_enabled_)
-    [owner_->GetAutocompleteTextField() display];
 }
 
 void LocationBarViewMac::PageActionImageView::UpdateVisibility(
     TabContents* contents, const GURL& url) {
   // Save this off so we can pass it back to the extension when the action gets
   // executed. See PageActionImageView::OnMousePressed.
   current_tab_id_ = ExtensionTabUtil::GetTabId(contents);
   current_url_ = url;
 
   bool visible = preview_enabled_ ||
@@ skipping 223 matching lines @@
       ++result;
   }
   return result;
 }
 
 void LocationBarViewMac::PageActionViewList::OnMousePressed(NSRect iconFrame,
                                                             size_t index) {
   ViewAt(index)->OnMousePressed(iconFrame);
 }