[Mac] Update the warnings UI for malicious downloads.

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

Index: chrome/browser/ui/cocoa/download/download_item_controller.h
diff --git a/chrome/browser/ui/cocoa/download/download_item_controller.h b/chrome/browser/ui/cocoa/download/download_item_controller.h
index 206f55f28c866b545135fe516d711dd4f26851f9..78010b6be04b3c4056ba92fcfbb2039ce396ba65 100644
--- a/chrome/browser/ui/cocoa/download/download_item_controller.h
+++ b/chrome/browser/ui/cocoa/download/download_item_controller.h
@@ -41,9 +41,10 @@ class MenuModel;
   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
@@ -115,5 +116,6 @@ class MenuModel;
 - (BOOL)isDangerousMode;
 - (IBAction)saveDownload:(id)sender;
 - (IBAction)discardDownload:(id)sender;
-
+- (IBAction)dismissMaliciousDownload:(id)sender;
+- (IBAction)showContextMenu:(id)sender;
 @end