Initialize member in BackgroundContents.

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/in_process_webkit/dom_storage_context.h"
 #include "chrome/browser/in_process_webkit/webkit_context.h"
@@ skipping 29 matching lines @@
 
   // Register for our parent profile to shutdown, so we can shut ourselves down
   // as well (should only be called for OTR profiles, as we should receive
   // APP_TERMINATING before non-OTR profiles are destroyed).
   registrar_.Add(this, NotificationType::PROFILE_DESTROYED,
                  Source<Profile>(profile));
 }
 
 // Exposed to allow creating mocks.
 BackgroundContents::BackgroundContents()
-    : render_view_host_(NULL) {
+    : delegate_(NULL),
+      render_view_host_(NULL) {
 }
 
 void BackgroundContents::Observe(NotificationType type,
                                  const NotificationSource& source,
                                  const NotificationDetails& details) {
   // TODO(rafaelw): Implement pagegroup ref-counting so that non-persistent
   // background pages are closed when the last referencing frame is closed.
   switch (type.value) {
     case NotificationType::PROFILE_DESTROYED:
     case NotificationType::APP_TERMINATING: {
@@ skipping 133 matching lines @@
 }
 
 void BackgroundContents::ShowCreatedWidget(int route_id,
                                            const gfx::Rect& initial_pos) {
   NOTIMPLEMENTED();
 }
 
 void BackgroundContents::ShowCreatedFullscreenWidget(int route_id) {
   NOTIMPLEMENTED();
 }