Password manager: Implement password generation UI for Mac.

chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_POPUP_CONTENT_VIEW_H_
 #define CHROME_BROWSER_UI_COCOA_AUTOFILL_AUTOFILL_POPUP_CONTENT_VIEW_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "ui/base/cocoa/base_view.h"
 
 namespace autofill {
 class AutofillPopupController;
+class AutofillPopupViewDelegate;
 }  // namespace autofill
 
+@interface AutofillPopupBaseViewCocoa : BaseView {
+ @private
+   __weak autofill::AutofillPopupViewDelegate* delegate_;
+}
+
+- (id)initWithAutofillPopupViewDelegate:(autofill::AutofillPopupViewDelegate*)delegate
+                                  frame:(NSRect)frame;
+
+  // Draw the popup's background and border.
+- (void)drawBackgroundAndBorderInRect:(NSRect)dirtyRect;
+
+// Draws a thin separator in the popup UI.
+- (void)drawSeparatorWithBounds:(NSRect)bounds;
+@end
+
 // Draws the native Autofill popup view on Mac.
-@interface AutofillPopupViewCocoa : BaseView {
+@interface AutofillPopupViewCocoa : AutofillPopupBaseViewCocoa {
  @private
   // The cross-platform controller for this view.
   __weak autofill::AutofillPopupController* controller_;
 }
 
 // Designated initializer.
 - (id)initWithController:(autofill::AutofillPopupController*)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_AUTOFILL_POPUP_CONTENT_VIEW_H_