Add a test for checking that refreshing a page does load the same WebUI page.

content/browser/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 "content/browser/webui/web_ui_browsertest.h"
 
 #include "base/path_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/ui_test_utils.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "ui/base/resource/resource_bundle.h"
 
 static const FilePath::CharType* kWebUILibraryJS =
     FILE_PATH_LITERAL("test_api.js");
 static const FilePath::CharType* kWebUITestFolder = FILE_PATH_LITERAL("webui");
 
 WebUIBrowserTest::~WebUIBrowserTest() {}
 
 bool WebUIBrowserTest::RunJavascriptFunction(const std::string& function_name) {
-  return RunJavascriptUsingHandler(function_name, false);
+  return RunJavascriptUsingHandler(function_name, true);
 }
 
 bool WebUIBrowserTest::RunJavascriptTest(const std::string& test_name) {
   return RunJavascriptUsingHandler(test_name, true);
 }
 
 WebUIBrowserTest::WebUIBrowserTest()
     : test_handler_(new WebUITestHandler()) {}
 
 void WebUIBrowserTest::SetUpInProcessBrowserTestFixture() {
@@ skipping 28 matching lines @@
   }
 }
 
 bool WebUIBrowserTest::RunJavascriptUsingHandler(
     const std::string& function_name, bool is_test) {
   std::string content;
   BuildJavascriptLibraries(&content);
 
   if (!function_name.empty()) {
     std::string called_function = is_test ? "runTest(" + function_name + ");" :
-                                            function_name + "()";
+                                            function_name + "();";
     content.append(called_function);
   }
   SetupHandlers();
   return test_handler_->RunJavascript(content, is_test);
 }
 
 void WebUIBrowserTest::SetupHandlers() {
   WebUI* web_ui_instance =
       browser()->GetSelectedTabContents()->web_ui();
   ASSERT_TRUE(web_ui_instance != NULL);
@@ skipping 11 matching lines @@
 IN_PROC_BROWSER_TEST_F(WebUIBrowserTest, TestSamplePass) {
   AddLibrary(FILE_PATH_LITERAL("sample_downloads.js"));
 
   // Navigate to UI.
   // TODO(dtseng): make accessor for subclasses to return?
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIDownloadsURL));
 
   ASSERT_TRUE(RunJavascriptTest("testAssertFalse"));
   ASSERT_TRUE(RunJavascriptTest("testInitialFocus"));
 }