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

chrome/browser/ui/cocoa/task_manager_mac_unittest.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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/utf_string_conversions.h"
 #import "chrome/browser/ui/cocoa/task_manager_mac.h"
@@ skipping 53 matching lines @@
   task_manager.AddResource(&resource2);
   task_manager.AddResource(&resource3);  // Will be in the same group as 2.
 
   TaskManagerMac* bridge(new TaskManagerMac(&task_manager, false));
   TaskManagerWindowController* controller = bridge->cocoa_controller();
   NSTableView* table = [controller tableView];
   ASSERT_EQ(3, [controller numberOfRowsInTableView:table]);
 
   // Test that table is sorted on title.
   NSTableColumn* title_column = [table tableColumnWithIdentifier:
-      [NSNumber numberWithInt:IDS_TASK_MANAGER_TASK_COLUMN]];
+      [NSString stringWithFormat:@"%d", IDS_TASK_MANAGER_TASK_COLUMN]];
   NSCell* cell;
   cell = [controller tableView:table dataCellForTableColumn:title_column row:0];
   EXPECT_NSEQ(@"zzb", [cell title]);
   cell = [controller tableView:table dataCellForTableColumn:title_column row:1];
   EXPECT_NSEQ(@"zza", [cell title]);
   cell = [controller tableView:table dataCellForTableColumn:title_column row:2];
   EXPECT_NSEQ(@"zzz", [cell title]);
 
   // Releases the controller, which in turn deletes |bridge|.
   [controller close];
@@ skipping 29 matching lines @@
   NSIndexSet* selection = [table selectedRowIndexes];
   ASSERT_EQ(1u, [selection count]);
   EXPECT_EQ(1u, [selection firstIndex]);
 
   // Releases the controller, which in turn deletes |bridge|.
   [controller close];
 
   task_manager.RemoveResource(&resource1);
   task_manager.RemoveResource(&resource2);
 }