This adds a "killed tab" page and pages reload when killed on ChromeOS

chrome/browser/tab_contents/tab_contents_view_mac.mm

 // Copyright (c) 2010 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.
 
 #import <Carbon/Carbon.h>
 
 #include "chrome/browser/tab_contents/tab_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 157 matching lines @@
   // We want updates whenever the intrinsic width of the webpage changes.
   // Put the RenderView into that mode. The preferred width is used for example
   // when the "zoom" button in the browser window is clicked.
   host->EnablePreferredSizeChangedMode(kPreferredSizeWidth);
 }
 
 void TabContentsViewMac::SetPageTitle(const std::wstring& title) {
   // Meaningless on the Mac; widgets don't have a "title" attribute
 }
 
-void TabContentsViewMac::OnTabCrashed() {
+void TabContentsViewMac::OnTabCrashed(base::TerminationStatus /* status */,
+                                      int /* error_code */) {
   if (!sad_tab_.get()) {
     TabContents* contents = tab_contents();
     DCHECK(contents);
     if (contents) {
       SadTabController* sad_tab =
           [[SadTabController alloc] initWithTabContents:contents
                                               superview:cocoa_view_];
       sad_tab_.reset(sad_tab);
     }
   }
@@ skipping 316 matching lines @@
       [[[notification userInfo] objectForKey:kSelectionDirection]
         unsignedIntegerValue];
   if (direction == NSDirectSelection)
     return;
 
   [self tabContents]->
       FocusThroughTabTraversal(direction == NSSelectingPrevious);
 }
 
 @end