[Mac] Password generation: Make "saved passwords" a hyperlink.

chrome/browser/ui/cocoa/autofill/password_generation_popup_view_cocoa.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_AUTOFILL_PASSWORD_GENERATION_POPUP_VIEW_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_PASSWORD_GENERATION_POPUP_VIEW_COCOA_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "chrome/browser/ui/autofill/password_generation_popup_controller.h"
 #import "chrome/browser/ui/cocoa/autofill/autofill_popup_base_view_cocoa.h"
 
 namespace autofill {
 class AutofillPopupController;
 }  // namespace autofill
 
+@class HyperlinkTextView;
+
 // Draws the native password generation popup view on Mac.
-@interface PasswordGenerationPopupViewCocoa : AutofillPopupBaseViewCocoa {
+@interface PasswordGenerationPopupViewCocoa
+    : AutofillPopupBaseViewCocoa <NSTextViewDelegate> {
  @private
   // The cross-platform controller for this view.
   __weak autofill::PasswordGenerationPopupController* controller_;
 
   __weak NSTextField* passwordField_;
   __weak NSTextField* passwordSubtextField_;
-  __weak NSTextField* helpTextField_;
+  __weak HyperlinkTextView* helpTextView_;
 }
 
 // Designated initializer.
 - (id)initWithController:
     (autofill::PasswordGenerationPopupController*)controller
                    frame:(NSRect)frame;
 
 // Informs the view that its controller has been (or will imminently be)
 // destroyed.
 - (void)controllerDestroyed;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_AUTOFILL_PASSWORD_GENERATION_POPUP_VIEW_COCOA_H_