Upstream Chrome on iOS source code [7/11].

ios/chrome/browser/ui/sad_tab/sad_tab_view.h

Index: ios/chrome/browser/ui/sad_tab/sad_tab_view.h
diff --git a/ios/chrome/browser/ui/sad_tab/sad_tab_view.h b/ios/chrome/browser/ui/sad_tab/sad_tab_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..1607cf1269b5255f5316dee793f6726d923328ec
--- /dev/null
+++ b/ios/chrome/browser/ui/sad_tab/sad_tab_view.h
@@ -0,0 +1,27 @@
+// Copyright 2015 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 IOS_CHROME_BROWSER_UI_SAD_TAB_SAD_TAB_VIEW_H_
+#define IOS_CHROME_BROWSER_UI_SAD_TAB_SAD_TAB_VIEW_H_
+
+#import <UIKit/UIKit.h>
+
+#include "base/ios/block_types.h"
+
+// The view used to show "sad tab" content to the user when WKWebView's renderer
+// process crashes.
+@interface SadTabView : UIView
+
+// Designated initializer.  |reloadHandler| will be called when the reload
+// button is tapped and must not be nil.
+- (instancetype)initWithReloadHandler:(ProceduralBlock)reloadHandler
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
+- (instancetype)initWithFrame:(CGRect)frame NS_UNAVAILABLE;
+- (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_SAD_TAB_SAD_TAB_VIEW_H_