Miscellaneous cleanups from several months ago I never got around to landing.

chrome/browser/ui/webui/inspect_ui.cc

 // Copyright (c) 2012 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/webui/inspect_ui.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 386 matching lines @@
   StopListeningNotifications();
 }
 
 void InspectUI::RefreshUI() {
   web_ui()->CallJavascriptFunction("populateLists");
 }
 
 void InspectUI::Observe(int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
-  if (source == content::Source<WebContents>(web_ui()->GetWebContents())) {
-    if (type == content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED)
-        StopListeningNotifications();
-    return;
-  }
-  RefreshUI();
+  if (source != content::Source<WebContents>(web_ui()->GetWebContents()))
+    RefreshUI();
+  else if (type == content::NOTIFICATION_WEB_CONTENTS_DISCONNECTED)
+    StopListeningNotifications();
 }
 
 void InspectUI::StopListeningNotifications()
 {
   if (!observer_)
     return;
   observer_->InspectUIDestroyed();
   observer_ = NULL;
   registrar_.RemoveAll();
 }