Change ExecuteJavaScript* helper functions in browser_test_utils.{h,cc}

chrome/browser/download/download_browsertest.cc

 // Copyright (c) 2012 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 <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 980 matching lines @@
   // Try to start the download via Javascript and wait for the corresponding
   // load stop event.
   content::TestNavigationObserver observer(
       content::Source<content::NavigationController>(
           &web_contents->GetController()),
       NULL,
       1);
   bool download_assempted;
   ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
-      L"",
-      L"window.domAutomationController.send(startDownload());",
+      "",
+      "window.domAutomationController.send(startDownload());",
       &download_assempted));
   ASSERT_TRUE(download_assempted);
   observer.WaitForObservation(
       base::Bind(&content::RunMessageLoop),
       base::Bind(&MessageLoop::Quit,
                  base::Unretained(MessageLoopForUI::current())));
 
   // Check that we did not download the file.
   FilePath file(FILE_PATH_LITERAL("download-test1.lib"));
   FilePath file_path(DestinationFile(browser(), file));
@@ skipping 407 matching lines @@
   GURL extensions_url(chrome::kChromeUIExtensionsFrameURL);
 
   ui_test_utils::NavigateToURL(browser(), flags_url);
   DownloadAndWait(browser(), download_url);
   ui_test_utils::NavigateToURL(browser(), extensions_url);
   WebContents* contents = chrome::GetActiveWebContents(browser());
   ASSERT_TRUE(contents);
   bool webui_responded = false;
   EXPECT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(),
-      L"",
-      L"window.domAutomationController.send(window.webui_responded_);",
+      "",
+      "window.domAutomationController.send(window.webui_responded_);",
       &webui_responded));
   EXPECT_TRUE(webui_responded);
 }
 
 // Test for crbug.com/12745. This tests that if a download is initiated from
 // a chrome:// page that has registered and onunload handler, the browser
 // will be able to close.
 IN_PROC_BROWSER_TEST_F(DownloadTest, BrowserCloseAfterDownload) {
   GURL downloads_url(chrome::kChromeUIFlagsURL);
   FilePath file(FILE_PATH_LITERAL("download-test1.lib"));
   GURL download_url(URLRequestMockHTTPJob::GetMockUrl(file));
 
   ui_test_utils::NavigateToURL(browser(), downloads_url);
   WebContents* contents = chrome::GetActiveWebContents(browser());
   ASSERT_TRUE(contents);
   bool result = false;
   EXPECT_TRUE(content::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(),
-      L"",
-      L"window.onunload = function() { var do_nothing = 0; }; "
-      L"window.domAutomationController.send(true);",
+      "",
+      "window.onunload = function() { var do_nothing = 0; }; "
+      "window.domAutomationController.send(true);",
       &result));
   EXPECT_TRUE(result);
 
   DownloadAndWait(browser(), download_url);
 
   content::WindowedNotificationObserver signal(
       chrome::NOTIFICATION_BROWSER_CLOSED,
       content::Source<Browser>(browser()));
   chrome::CloseWindow(browser());
   signal.Wait();
@@ skipping 765 matching lines @@
   WebContents* web_contents = chrome::GetActiveWebContents(browser());
   scoped_ptr<DownloadUrlParameters> params(
       DownloadUrlParameters::FromWebContents(web_contents, url));
   params->set_callback(base::Bind(&SetHiddenDownloadCallback));
   download_manager->DownloadUrl(params.Pass());
   observer->WaitForFinished();
 
   // Verify that download shelf is not shown.
   EXPECT_FALSE(browser()->window()->IsDownloadShelfVisible());
 }