Add ExecuteJavaScriptForTest and make all tests use it

chrome/browser/chromeos/login/lock/screen_locker_tester.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 100 matching lines @@
   // Returns the ScreenLockerWebUI object.
   WebUIScreenLocker* webui_screen_locker() const;
 
   // Returns the WebUI object from the screen locker.
   content::WebUI* webui() const;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIScreenLockerTester);
 };
 
 void WebUIScreenLockerTester::SetPassword(const std::string& password) {
-  webui()->GetWebContents()->GetMainFrame()->ExecuteJavaScript(
+  webui()->GetWebContents()->GetMainFrame()->ExecuteJavaScriptForTests(
       base::ASCIIToUTF16(base::StringPrintf(
           "$('pod-row').pods[0].passwordElement.value = '%s';",
           password.c_str())));
 }
 
 std::string WebUIScreenLockerTester::GetPassword() {
   std::string result;
   scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
       RenderViewHost()->GetMainFrame(),
       "$('pod-row').pods[0].passwordElement.value;");
@@ skipping 77 matching lines @@
       new FakeExtendedAuthenticator(ScreenLocker::screen_locker_, user_context);
 }
 
 }  // namespace test
 
 test::ScreenLockerTester* ScreenLocker::GetTester() {
   return new test::WebUIScreenLockerTester();
 }
 
 }  // namespace chromeos