Componentize sad_tab

chrome/browser/ui/sad_tab_types.h

Index: chrome/browser/ui/sad_tab_types.h
diff --git a/chrome/browser/ui/sad_tab_types.h b/chrome/browser/ui/sad_tab_types.h
deleted file mode 100644
index d3ecde96b7a6076083266f1118fd53c6b19f062b..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/sad_tab_types.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// 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_SAD_TAB_TYPES_H_
-#define CHROME_BROWSER_UI_SAD_TAB_TYPES_H_
-
-namespace chrome {
-
-// NOTE: Do not remove or reorder the elements in this enum, and only add new
-// items at the end. We depend on these specific values in a histogram.
-enum SadTabKind {
-  SAD_TAB_KIND_CRASHED = 0,  // Tab crashed. Display the "Aw, Snap!" page.
-  SAD_TAB_KIND_KILLED  // Tab killed. Display the "He's dead, Jim!" tab page.
-};
-
-}  // namespace chrome
-
-#endif  // CHROME_BROWSER_UI_SAD_TAB_TYPES_H_