[chromedriver] fix OSX path for chrome finder
[chromedriver] fix OSX path for chrome finder

littlstar/chromium.src,ondra-novak/chromium.src,patrickm/chromium.src,patrickm/chromium.src,patrickm/chromium.src,patrickm/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,patrickm/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,ondra-novak/chromium.src,patrickm/chromium.src,patrickm/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,patrickm/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src,littlstar/chromium.src,littlstar/chromium.src,littlstar/chromium.src,patrickm/chromium.src,littlstar/chromium.src,ondra-novak/chromium.src