Properly clean up in PrintViewManager::RenderFrameCreated().

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 4335 matching lines @@
     ]
   }
 
   if (enable_print_preview) {
     sources += [
       "../browser/printing/cloud_print/cloud_print_proxy_service_unittest.cc",
       "../browser/printing/print_job_unittest.cc",
       "../browser/printing/print_preview_dialog_controller_unittest.cc",
       "../browser/printing/print_preview_test.cc",
       "../browser/printing/print_preview_test.h",
+      "../browser/printing/print_view_manager_unittest.cc",
       "../browser/ui/webui/print_preview/extension_printer_handler_unittest.cc",
       "../browser/ui/webui/print_preview/print_preview_ui_unittest.cc",
       "../browser/ui/webui/print_preview/printer_capabilities_unittest.cc",
       "../common/cloud_print/cloud_print_helpers_unittest.cc",
       "../common/service_process_util_mac_unittest.mm",
       "../common/service_process_util_unittest.cc",
       "../service/cloud_print/cloud_print_service_helpers_unittest.cc",
       "../service/cloud_print/cloud_print_token_store_unittest.cc",
       "../service/cloud_print/cloud_print_url_fetcher_unittest.cc",
       "../service/cloud_print/connector_settings_unittest.cc",
@@ skipping 814 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }