title: Chromedriver crashes when lauched from watir-webdriver
body: <p>I have the following gems and I also have the latest Chrome driver 2.9 version.</p>
  <pre><code>builder (2.1.2) 
  bundler (1.6.0.pre.2) 
  childprocess (0.4.1) 
  coderay (1.1.0)
  cucumber (0.8.7)
  data_magic (0.17)
  diff-lcs (1.1.3)
  faker (1.2.0)
  ffi (1.9.3 x86-mingw32)
  gherkin (2.1.4 i386-mingw32)
  i18n (0.6.9)
  json_pure (1.4.6)
  method_source (0.8.2)
  multi_json (1.8.4)
  page-object (0.9.6)
  page_navigation (0.9)
  pry (0.9.12.6 i386-mingw32)
  rubyzip (1.1.0)
  selenium-webdriver (2.39.0)
  slop (3.4.7)
  term-ansicolor (1.0.7)
  trollop (1.16.2)
  watir-webdriver (0.6.7)
  websocket (1.0.7)
  win32console (1.3.2 x86-mingw32)
  yml_reader (0.2)
  </code></pre>
  <p>I am not able to launch chrome through Watir-Webdriver. It launches a new window and crashes.</p>
  <p><img src="https://i.stack.imgur.com/bHa8J.png" alt="enter image description here" />
  Not sure what is going wrong. Any suggestions?</p>
  <pre><code>irb(main):002:0&gt; require &quot;watir-webdriver&quot;
  =&gt; true
  irb(main):003:0&gt;  browser = Watir::Browser.new :chrome
  [8056:5984:0213/155207:ERROR:child_process_launcher.cc(332)] Failed to launch child process
  [8056:1304:0213/155207:ERROR:chrome_views_delegate.cc(176)] NOT IMPLEMENTED
  [8056:1304:0213/155207:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  [8056:1304:0213/155208:ERROR:child_process_launcher.cc(332)] Failed to launch child     process
  [8056:1304:0213/155208:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  [8056:1304:0213/155208:ERROR:child_process_launcher.cc(332)] Failed to launch child process
  [8056:1304:0213/155208:ERROR:child_process_launcher.cc(332)] Failed to launch child process
  [8056:1304:0213/155208:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  [8056:1304:0213/155208:ERROR:child_process_launcher.cc(332)] Failed to launch child process
  [8056:1304:0213/155208:ERROR:child_process_launcher.cc(332)] Failed to launch child process
  [8056:1304:0213/155208:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  [8056:1304:0213/155208:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  [8056:1304:0213/155216:ERROR:desktop_root_window_host_win.cc(746)] NOT IMPLEMENTED
  Selenium::WebDriver::Error::UnknownError: unknown error: unable to discover open pages
    (Driver info: chromedriver=2.6.232923,platform=Windows NT 6.1 SP1 x86_64)
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/response.rb:51:in `assert_ok'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/response.rb:15:in `initialize'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/http/common.rb:59:in `new'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/http/common.rb:59:in `create_response'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/http/default.rb:66:in `request'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/http/common.rb:40:in `call'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/bridge.rb:634:in `raw_execute'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/bridge.rb:99:in `create_session'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/remote/bridge.rb:68:in `initialize'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/chrome/bridge.rb:29:in `initialize'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/common/driver.rb:37:in `new'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver/common/driver.rb:37:in `for'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.39.0/lib/selenium/webdriver.rb:67:in `for'
          from C:/Ruby193/lib/ruby/gems/1.9.1/gems/watir-webdriver-0.6.7/lib/watir-webdriver/browser.rb:46:in `initialize'
          from (irb):3:in `new'
          from (irb):3
          from C:/Ruby193/bin/irb:12:in `&lt;main&gt;'irb(main):004:0&gt; exit
  </code></pre>