Fix command handler for /session/:sessionId/execute (execute_script) for

chrome/test/webdriver/WEBDRIVER_TESTS

 # 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.
 #
 # This file lists the webdriver tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 21 matching lines @@
     '-children_finding_tests.ChildrenFindingTests.testShouldFindElementByTagName',
     '-children_finding_tests.ChildrenFindingTests.testShouldFindElementByXPath',
     '-children_finding_tests.ChildrenFindingTests.testShouldFindElementsByTagName',
     '-children_finding_tests.ChildrenFindingTests.testShouldFindElementsByXpath',
 #   'cookie_tests',
 #   'correct_event_firing_tests',
     'driver_element_finding_test',
 #   'element_attribute_tests',
 #   'executing_async_javascript_test',
     'executing_javascript_test',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToCallFunctionsDefinedOnThePage',
+    # This test needs the tagname command.
     '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToExecuteSimpleJavascriptAndReturnAWebElement',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassACollectionAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassAWebElementAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassAnArrayAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testPassingAndReturningADoubleShouldReturnADecimal',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testPassingAndReturningALongShouldReturnAWholeNumber',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassABooleanAnAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassANumberAnAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassAStringAnAsArgument',
-    '-executing_javascript_test.ExecutingJavaScriptTests.testShouldBeAbleToPassInMoreThanOneArgument',
 #   'form_handling_tests',
     'frame_switching_tests',
     # Next two frame switching tests are disabled because they depend on toggle.
     '-frame_switching_tests.FrameSwitchingTest.testThatWeCanSwitchFrameByName',
     '-frame_switching_tests.FrameSwitchingTest.testThatWeCanSwitchToFrameByIndex',
 #   'implicit_waits_tests',
     'page_loading_tests',
     # testShouldReturnWhenGettingAUrlThatDoesNotResolve causes the test after
     # to fail when run in xvfb: crbug.com/72027.
     '-page_loading_tests.PageLoadingTests.testShouldReturnWhenGettingAUrlThatDoesNotResolve',
@@ skipping 19 matching lines @@
   'mac': [
 
   ],
 
   'linux': [
     'typing_tests',
     # needs clear command
     '-typing_tests.TypingTests.testNumberpadAndFunctionKeys',
   ],
 }