[Mac] Clean up SadTabView and let SadTabController provide its content

chrome/browser/ui/cocoa/tab_contents/sad_tab_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_TAB_CONTENTS_SAD_TAB_VIEW_COCOA_H_
 #define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_SAD_TAB_VIEW_COCOA_H_
 
-#include "base/mac/scoped_nsobject.h"
-
 #import <Cocoa/Cocoa.h>
 
-namespace content {
-class WebContents;
-}
+#import "ui/base/cocoa/controls/hyperlink_text_view.h"
 
-@class SadTabContainerView;
+@class SadTabView;
+
+@protocol SadTabViewDelegate
+- (void)sadTabViewButtonClicked:(SadTabView*)sadTabView;
+- (void)sadTabView:(SadTabView*)sadTabView
+    helpLinkClickedWithURL:(NSString*)url;
+@end
 
 // A view that displays the "sad tab" (aka crash page).
-@interface SadTabView : NSView {
- @private
-  base::scoped_nsobject<SadTabContainerView> container_;
-}
+@interface SadTabView : NSView
 
-@property(readonly,nonatomic) NSButton* reloadButton;
+@property(nonatomic, assign) id<SadTabViewDelegate> delegate;
+
+- (void)setTitle:(int)title;
+- (void)setMessage:(int)message;
+- (void)setButtonTitle:(int)buttonTitle;
+- (void)setHelpLinkTitle:(int)helpLinkTitle URL:(NSString*)url;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_SAD_TAB_VIEW_COCOA_H_