Be able to print items that do window.print(); window.close() (airline tix e.g.)

chrome/browser/ui/webui/web_ui_browsertest.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/web_ui_browsertest.h"
 
 #include <string>
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/path_service.h"
@@ skipping 172 matching lines @@
   browser::NavigateParams params(
       browser(), GURL(browse_to), PageTransition::TYPED);
   params.disposition = CURRENT_TAB;
   browser::Navigate(&params);
   navigation_observer.WaitForObservation();
 }
 
 void WebUIBrowserTest::BrowsePrintPreload(
     const GURL& browse_to,
     const std::string& preload_test_fixture,
-    const std::string& preload_test_name) {
+    const std::string& preload_test_name,
+    bool print) {
   // Remember for callback OnJsInjectionReady().
   preload_test_fixture_ = preload_test_fixture;
   preload_test_name_ = preload_test_name;
 
+  TestTabStripModelObserver tabstrip_observer(
+      browser()->tabstrip_model(), this);
+
   ui_test_utils::NavigateToURL(browser(), browse_to);
 
-  TestTabStripModelObserver tabstrip_observer(
-      browser()->tabstrip_model(), this);
-  browser()->Print();
+  if (print)
+    browser()->Print();
+
   tabstrip_observer.WaitForObservation();
 }
 
 const char WebUIBrowserTest::kDummyURL[] = "chrome://DummyURL";
 
 WebUIBrowserTest::WebUIBrowserTest()
     : test_handler_(new WebUITestHandler()),
       libraries_preloaded_(false) {}
 
 namespace {
@@ skipping 368 matching lines @@
 // testDone directly and expect pass result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPassesAsync) {
   ASSERT_TRUE(RunJavascriptAsyncTest("testDone"));
 }
 
 // Test that calling testDone during RunJavascriptTest still completes when
 // waiting for async result.
 IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPasses) {
   ASSERT_TRUE(RunJavascriptTest("testDone"));
 }