Add mac UI for password generation

chrome/browser/ui/browser_window.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/ui/base_window.h"
@@ skipping 341 matching lines @@
   // system.
   virtual void ShowAvatarBubble(content::WebContents* web_contents,
                                 const gfx::Rect& rect) = 0;
 
   // Shows the avatar bubble on the window frame off of the avatar button.
   virtual void ShowAvatarBubbleFromAvatarButton() = 0;
 
   // Show bubble for password generation positioned relative to |rect|. The
   // subclasses implementing this interface do not own the |password_generator|
   // object which is passed to generate the password. |form| is the form that
-  // contains the password field that the bubble will be associated with. A
-  // stub implementation is provided since this feature is currently not
-  // available on mac.
+  // contains the password field that the bubble will be associated with.
   virtual void ShowPasswordGenerationBubble(
       const gfx::Rect& rect,
       const content::PasswordForm& form,
-      autofill::PasswordGenerator* password_generator) {}
+      autofill::PasswordGenerator* password_generator) = 0;
 
  protected:
   friend void browser::CloseAllBrowsers();
   friend class BrowserView;
   virtual void DestroyBrowser() = 0;
 };
 
 #if defined(OS_WIN) || defined(TOOLKIT_VIEWS)
 class BookmarkBarView;
 class LocationBarView;
@@ skipping 19 matching lines @@
 
   // Returns the ToolbarView.
   virtual ToolbarView* GetToolbarView() const = 0;
 #endif
 
  protected:
   virtual ~BrowserWindowTesting() {}
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_