mac: -[NSTableColumn initWithIdentifier:] takes NSString instead of id with the 10.7 sdk.

chrome/browser/ui/cocoa/task_manager_mac.mm

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/cocoa/task_manager_mac.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/mac/bundle_locations.h"
@@ skipping 205 matching lines @@
 - (void)dealloc {
   [tableView_ setDelegate:nil];
   [tableView_ setDataSource:nil];
   [super dealloc];
 }
 
 // Adds a column which has the given string id as title. |isVisible| specifies
 // if the column is initially visible.
 - (NSTableColumn*)addColumnWithId:(int)columnId visible:(BOOL)isVisible {
   scoped_nsobject<NSTableColumn> column([[NSTableColumn alloc]
-      initWithIdentifier:[NSNumber numberWithInt:columnId]]);
+      initWithIdentifier:[NSString stringWithFormat:@"%d", columnId]]);
 
   NSTextAlignment textAlignment =
       (columnId == IDS_TASK_MANAGER_TASK_COLUMN ||
        columnId == IDS_TASK_MANAGER_PROFILE_NAME_COLUMN) ?
           NSLeftTextAlignment : NSRightTextAlignment;
 
   [[column.get() headerCell]
       setStringValue:l10n_util::GetNSStringWithFixup(columnId)];
   [[column.get() headerCell] setAlignment:textAlignment];
   [[column.get() dataCell] setAlignment:textAlignment];
@@ skipping 410 matching lines @@
       // "Task Manager" so close the existing window and fall through to
       // open a new one.
       [[instance_->window_controller_ window] close];
     }
   }
   // Create a new instance.
   instance_ = new TaskManagerMac(TaskManager::GetInstance(),
                                  highlight_background_resources);
   instance_->model_->StartUpdating();
 }