Wire up OOM exception to the sad tab page.

extensions/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_guest.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 116 matching lines @@
   switch (status) {
     case base::TERMINATION_STATUS_NORMAL_TERMINATION:
       return "normal";
     case base::TERMINATION_STATUS_ABNORMAL_TERMINATION:
     case base::TERMINATION_STATUS_STILL_RUNNING:
       return "abnormal";
 #if defined(OS_CHROMEOS)
     case base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM:
       return "oom killed";
 #endif
+    case base::TERMINATION_STATUS_OOM:
+      return "oom";
     case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
       return "killed";
     case base::TERMINATION_STATUS_PROCESS_CRASHED:
       return "crashed";
     case base::TERMINATION_STATUS_LAUNCH_FAILED:
       return "failed to launch";
     case base::TERMINATION_STATUS_MAX_ENUM:
       break;
   }
   NOTREACHED() << "Unknown Termination Status.";
@@ skipping 1350 matching lines @@
     std::unique_ptr<base::DictionaryValue> args(new base::DictionaryValue());
     DispatchEventToView(base::WrapUnique(
         new GuestViewEvent(webview::kEventExitFullscreen, std::move(args))));
   }
   // Since we changed fullscreen state, sending a Resize message ensures that
   // renderer/ sees the change.
   web_contents()->GetRenderViewHost()->GetWidget()->WasResized();
 }
 
 }  // namespace extensions