Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

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"
 
 // This class implements an alert that has a constrained window look and feel
 // (close button on top right, WebUI style buttons, etc...). To use this class
-// subclass ConstrainedWindow and create an instance of this class.
+// subclass WebContentsModalDialog and create an instance of this class.
 // The alert can be shown by using the window accessor and calling
 // -[window orderFont:]. Normally this would be done by
 // ConstrainedWindowSheetController.
 @interface ConstrainedWindowAlert : NSObject {
  @private
   scoped_nsobject<NSTextField> informativeTextField_;
   scoped_nsobject<NSTextField> messageTextField_;
   scoped_nsobject<NSView> accessoryView_;
   scoped_nsobject<NSMutableArray> buttons_;
   scoped_nsobject<NSButton> closeButton_;
@@ skipping 17 matching lines @@
                     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_