Fix the order in which the iOS Tab Switcher cells are initialized.

ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_controller.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 "ios/chrome/browser/ui/tab_switcher/tab_switcher_panel_controller.h"
 
 #include "base/logging.h"
 #import "base/mac/foundation_util.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 219 matching lines @@
     CHECK(_distantSession);
     const std::size_t distantSessionTabCount = _distantSession->tabs.size();
     LOG_ASSERT(tabIndex < distantSessionTabCount)
         << "tabIndex == " << tabIndex
         << " _distantSession->tabs.size() == " << distantSessionTabCount;
     synced_sessions::DistantTab* tab = _distantSession->tabs[tabIndex].get();
     CHECK(tab);
     [panelCell setTitle:SysUTF16ToNSString(tab->title)];
     [panelCell setSessionGURL:tab->virtual_url
              withBrowserState:[_model browserState]];
+    [panelCell setDelegate:self];
   } else {
     NSString* identifier = [TabSwitcherLocalSessionCell identifier];
     TabSwitcherLocalSessionCell* panelCell =
         base::mac::ObjCCastStrict<TabSwitcherLocalSessionCell>([collectionView
             dequeueReusableCellWithReuseIdentifier:identifier
                                       forIndexPath:indexPath]);
     cell = panelCell;
 
     Tab* tab = _localSession->tabs()[tabIndex];
     [panelCell setSessionType:_sessionType];
+    [panelCell setDelegate:self];
     [panelCell setAppearanceForTab:tab cellSize:[_panelView cellSize]];
   }
   DCHECK(cell);
-  cell.delegate = self;
   return cell;
 }
 
 - (void)collectionView:(UICollectionView*)collectionView
     didEndDisplayingCell:(UICollectionViewCell*)cell
       forItemAtIndexPath:(NSIndexPath*)indexPath {
   // When closing the last tab, accessibility does not realize that there is no
   // elements in the collection view and keep the custom action for the tab. So
   // reset the delegate of the cell (to avoid crashing if the action is invoked)
   // and post a notification that the screen changed to force accessibility to
@@ skipping 78 matching lines @@
       [[TabSwitcherPanelView alloc] initWithSessionType:_sessionType]);
   _panelView.get().collectionView.dataSource = self;
   _panelView.get().collectionView.delegate = self;
 }
 
 - (synced_sessions::DistantSession const*)distantSession {
   return _distantSession.get();
 }
 
 @end