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

chrome/browser/extensions/webstore_standalone_install_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 "base/command_line.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 67 matching lines @@
     GURL::Replacements replace_host;
     replace_host.SetHostStr(domain);
     return page_url.ReplaceComponents(replace_host);
   }
 
   void RunTest(const std::string& test_function_name) {
     bool result = false;
     std::string script = StringPrintf("%s('%s')", test_function_name.c_str(),
         test_gallery_url_.c_str());
     ASSERT_TRUE(content::ExecuteJavaScriptAndExtractBool(
-        chrome::GetActiveWebContents(browser())->GetRenderViewHost(), L"",
-        UTF8ToWide(script), &result));
+        chrome::GetActiveWebContents(browser())->GetRenderViewHost(),
+        "",
+        script,
+        &result));
     EXPECT_TRUE(result);
   }
 
   std::string test_gallery_url_;
 };
 
 IN_PROC_BROWSER_TEST_F(WebstoreStandaloneInstallTest, Install) {
   CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kAppsGalleryInstallAutoConfirmForTests, "accept");
 
@@ skipping 176 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(CommandLineWebstoreInstall, Cancel) {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   command_line->AppendSwitchASCII(
       switches::kAppsGalleryInstallAutoConfirmForTests, "cancel");
   extensions::StartupHelper helper;
   EXPECT_FALSE(helper.InstallFromWebstore(*command_line, browser()->profile()));
   EXPECT_FALSE(saw_install());
   EXPECT_EQ(0, browser_open_count());
 }