Blow away BackgroundContents when RenderView goes away.

chrome/browser/tab_contents/background_contents.cc

 // 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.
 
 #include "chrome/browser/tab_contents/background_contents.h"
 
 #include "chrome/browser/background_contents_service.h"
 #include "chrome/browser/browsing_instance.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
@@ skipping 157 matching lines @@
 
 void BackgroundContents::Close(RenderViewHost* render_view_host) {
   Profile* profile = render_view_host->process()->profile();
   NotificationService::current()->Notify(
       NotificationType::BACKGROUND_CONTENTS_CLOSED,
       Source<Profile>(profile),
       Details<BackgroundContents>(this));
   delete this;
 }
 
+void BackgroundContents::RenderViewGone(RenderViewHost* rvh,
+                                        base::TerminationStatus status,
+                                        int error_code) {
+  // Our RenderView went away, so we should go away also, so killing the process
+  // via the TaskManager doesn't permanently leave a BackgroundContents hanging
+  // around the system, blocking future instances from being created
+  // (http://crbug.com/65189).
+  delete this;
+}
+
 RendererPreferences BackgroundContents::GetRendererPrefs(
     Profile* profile) const {
   RendererPreferences preferences;
   renderer_preferences_util::UpdateFromSystemSettings(&preferences, profile);
   return preferences;
 }
 
 WebPreferences BackgroundContents::GetWebkitPrefs() {
   // TODO(rafaelw): Consider enabling the webkit_prefs.dom_paste_enabled for
   // apps.
@@ skipping 55 matching lines @@
 BackgroundContents*
 BackgroundContents::GetBackgroundContentsByID(int render_process_id,
                                               int render_view_id) {
   RenderViewHost* render_view_host =
       RenderViewHost::FromID(render_process_id, render_view_id);
   if (!render_view_host)
     return NULL;
 
   return render_view_host->delegate()->GetAsBackgroundContents();
 }