[Mac] Update the warnings UI for malicious downloads.

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

 // 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/time.h"
 
 @class ChromeUILocalizer;
@@ skipping 23 matching lines @@
 @interface DownloadItemController : NSViewController {
  @private
   IBOutlet DownloadItemButton* progressView_;
   IBOutlet DownloadItemCell* cell_;
 
   // This is shown instead of progressView_ for dangerous downloads.
   IBOutlet NSView* dangerousDownloadView_;
   IBOutlet NSTextField* dangerousDownloadLabel_;
   IBOutlet NSButton* dangerousDownloadConfirmButton_;
 
-  // Needed to find out how much the tweaker changed sizes to update the
-  // other views.
-  IBOutlet GTMWidthBasedTweaker* buttonTweaker_;
+  // Needed to find out how much the tweakers changed sizes to update the other
+  // views.
+  IBOutlet GTMWidthBasedTweaker* dangerousButtonTweaker_;
+  IBOutlet GTMWidthBasedTweaker* maliciousButtonTweaker_;
 
   // Because the confirm text and button for dangerous downloads are determined
   // at runtime, an outlet to the localizer is needed to construct the layout
   // tweaker in awakeFromNib in order to adjust the UI after all strings are
   // determined.
   IBOutlet ChromeUILocalizer* localizer_;
 
   IBOutlet NSImageView* image_;
 
   scoped_ptr<DownloadItemMac> bridge_;
@@ skipping 51 matching lines @@
 - (ui::MenuModel*)contextMenuModel;
 
 // Updates the tooltip with the download's path.
 - (void)updateToolTip;
 
 // Handling of dangerous downloads
 - (void)clearDangerousMode;
 - (BOOL)isDangerousMode;
 - (IBAction)saveDownload:(id)sender;
 - (IBAction)discardDownload:(id)sender;
-
+- (IBAction)dismissMaliciousDownload:(id)sender;
+- (IBAction)showContextMenu:(id)sender;
 @end