Remove obsolete kiosk new window blocking code.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index e9df65a949bf99422c2baecb8c48121f5dd77806..700f680f2dda81f1edc381be6f6bdaab73e01b85 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -17,7 +17,6 @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
-#include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
@@ -2151,12 +2150,6 @@ bool ChromeContentBrowserClient::CanCreateWindow(
     return true;
   }
 
-  // No new browser window (popup or tab) in app mode.
-  if (container_type == WINDOW_CONTAINER_TYPE_NORMAL &&
-      chrome::IsRunningInForcedAppMode()) {
-    return false;
-  }
-
   if (is_guest)
     return true;