Refactor dangerous download warning text generation into DownloadItemModel.

chrome/browser/ui/cocoa/download/download_item_controller.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/memory/scoped_ptr.h"
 #include "base/time.h"
 
 class BaseDownloadItemModel;
 @class ChromeUILocalizer;
 @class DownloadItemCell;
 @class DownloadItemButton;
 class DownloadItemMac;
 class DownloadShelfContextMenuMac;
 @class DownloadShelfController;
 @class GTMWidthBasedTweaker;
 
 namespace content {
 class DownloadItem;
 }
 
+namespace gfx {
+class Font;
+}
+
 // A controller class that manages one download item.
 
 @interface DownloadItemController : NSViewController {
  @private
   IBOutlet DownloadItemButton* progressView_;
   IBOutlet DownloadItemCell* cell_;
 
   IBOutlet NSMenu* activeDownloadMenu_;
   IBOutlet NSMenu* completeDownloadMenu_;
 
@@ skipping 16 matching lines @@
 
   scoped_ptr<DownloadItemMac> bridge_;
   scoped_ptr<DownloadShelfContextMenuMac> menuBridge_;
 
   // Weak pointer to the shelf that owns us.
   DownloadShelfController* shelf_;
 
   // The time at which this view was created.
   base::Time creationTime_;
 
+  // Default font to use for text metrics.
+  scoped_ptr<gfx::Font> font_;
+
   // The state of this item.
   enum DownoadItemState {
     kNormal,
     kDangerous
   } state_;
 };
 
 // Takes ownership of |downloadModel|.
 - (id)initWithModel:(BaseDownloadItemModel*)downloadModel
               shelf:(DownloadShelfController*)shelf;
@@ skipping 33 matching lines @@
 - (IBAction)discardDownload:(id)sender;
 
 // Context menu handlers.
 - (IBAction)handleOpen:(id)sender;
 - (IBAction)handleAlwaysOpen:(id)sender;
 - (IBAction)handleReveal:(id)sender;
 - (IBAction)handleCancel:(id)sender;
 - (IBAction)handleTogglePause:(id)sender;
 
 @end