Replace most of Browser::GetSelectedTabContents calls into Browser::GetSelectedWebContents. I've ...

chrome/browser/ui/webui/ntp/app_launcher_handler.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/webui/ntp/app_launcher_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 541 matching lines @@
   } else {
     // Look at preference to find the right launch container.  If no preference
     // is set, launch as a regular tab.
     extension_misc::LaunchContainer launch_container =
         extension_service_->extension_prefs()->GetLaunchContainer(
             extension, ExtensionPrefs::LAUNCH_REGULAR);
 
     // To give a more "launchy" experience when using the NTP launcher, we close
     // it automatically.
     Browser* browser = BrowserList::GetLastActiveWithProfile(profile);
-    TabContents* old_contents = NULL;
+    WebContents* old_contents = NULL;
     if (browser)
-      old_contents = browser->GetSelectedTabContents();
+      old_contents = browser->GetSelectedWebContents();
 
-    TabContents* new_contents = Browser::OpenApplication(
+    WebContents* new_contents = Browser::OpenApplication(
         profile, extension, launch_container, GURL(url),
         old_contents ? CURRENT_TAB : NEW_FOREGROUND_TAB);
 
     // This will also destroy the handler, so do not perform any actions after.
     if (new_contents != old_contents && browser && browser->tab_count() > 1)
       browser->CloseTabContents(old_contents);
   }
 }
 
 void AppLauncherHandler::HandleSetLaunchType(const ListValue* args) {
@@ skipping 406 matching lines @@
 
 void AppLauncherHandler::UninstallDefaultApps() {
   AppsPromo* apps_promo = extension_service_->apps_promo();
   const ExtensionIdSet& app_ids = apps_promo->old_default_apps();
   for (ExtensionIdSet::const_iterator iter = app_ids.begin();
        iter != app_ids.end(); ++iter) {
     if (extension_service_->GetExtensionById(*iter, true))
       extension_service_->UninstallExtension(*iter, false, NULL);
   }
 }