Constrained window sheet controller (test patch)

chrome/browser/ui/cocoa/constrained_window/constrained_window_alert.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_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ALERT_H_
+#define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ALERT_H_
+
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
 
-@interface CWAlert : NSObject {
+// A custom alert suitable for displaying as a constrained window. Specialized
+// constrained windows should use this class instead of NSAlert.
+@interface ConstrainedWindowAlert : NSObject {
+ @private
   scoped_nsobject<NSTextField> informativeTextField_;
   scoped_nsobject<NSTextField> messageTextField_;
   scoped_nsobject<NSView> accessoryView_;
   scoped_nsobject<NSMutableArray> buttons_;
   scoped_nsobject<NSButton> closeButton_;
   scoped_nsobject<NSWindow> window_;
 }
 
 @property(nonatomic, retain) NSString* informativeText;
 @property(nonatomic, retain) NSString* messageText;
 @property(nonatomic, retain) NSView* accessoryView;
 @property(nonatomic, readonly) NSArray* buttons;
 @property(nonatomic, readonly) NSButton* closeButton;
 @property(nonatomic, readonly) NSWindow* window;
 
+// Default initializer.
 - (id)init;
 
+// Adds a button with the given |title|. Newly added buttons are positioned in
+// order from right to left.
 - (void)addButtonWithTitle:(NSString*)title
-             keyEquivalent:(NSString*)keyEquivalent;
+             keyEquivalent:(NSString*)keyEquivalent
+                    target:(id)target
+                    action:(SEL)action;
 
+// Lays out the controls in the alert. This should be called before the window
+// is displayed.
 - (void)layout;
 
 @end
+
+#endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_ALERT_H_