Implement sendKeys webdriver API in ChromeDriver.

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 61 matching lines @@
     '-page_loading_tests.PageLoadingTests.testShouldBeAbleToNavigateForwardsInTheBrowserHistory',
 #   'rendered_webelement_tests'
 #   'select_element_handling_tests',
 #   'stale_reference_tests',
 #   'text_handling_tests',
 #   'typing_tests',
 #   'visibility_tests',
   ],
 
   'win': [
-
+    'typing_tests',
+    # needs clear command
+    '-typing_tests.TypingTests.testNumberpadAndFunctionKeys',
   ],
 
   'mac': [
 
   ],
 
   'linux': [
 
   ],
 }