Reload a crashed singleton tab when trying to navigate to it.

chrome/browser/ui/browser_navigator.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/browser_navigator.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "chrome/browser/browser_url_handler.h"
@@ skipping 491 matching lines @@
         params->transition,
         params->tabstrip_add_types);
     // Now that the |params->target_contents| is safely owned by the target
     // Browser's TabStripModel, we can release ownership.
     target_contents_owner.ReleaseOwnership();
   }
 
   if (singleton_index >= 0) {
     TabContents* target = params->browser->GetTabContentsAt(singleton_index);
 
-    if (params->path_behavior == NavigateParams::IGNORE_AND_NAVIGATE &&
+    if (target->is_crashed()) {
+      target->controller().Reload(true);
+    } else if (params->path_behavior == NavigateParams::IGNORE_AND_NAVIGATE &&
         target->GetURL() != params->url) {
       target->controller().LoadURL(
           params->url, params->referrer, params->transition);
     }
 
     // If the singleton tab isn't already selected, select it.
     if (params->source_contents != params->target_contents)
       params->browser->ActivateTabAt(singleton_index, user_initiated);
   }
 }
 
 }  // namespace browser