Fix file permissions in reference builds after r197700.
-rwxr-xr-x 112071425 chrome
-rwxr-xr-x 5087 chrome-wrapper
-rw-r--r-- 4816 chrome.1
-rw-r--r-- 4184603 chrome.pak
-rw-r--r-- 878666 chrome_100_percent.pak
-rwxr-xr-x 17731 chrome_sandbox
-rwxr-xr-x 409954 libclearkeycdm.so
-rwxr-xr-x 83882 libclearkeycdmadapter.so
-rwxr-xr-x 1317121 libffmpegsumo.so
-rwxr-xr-x 509813 libppGoogleNaClPluginChrome.so
drwxr-xr-x - locales
-rwxr-xr-x 1399148 nacl_helper
-rwxr-xr-x 9334 nacl_helper_bootstrap
-rwxr-xr-x 6407512 nacl_irt_x86_32.nexe
-rw-r--r-- 2961 product_logo_48.png
-rw-r--r-- 5461049 resources.pak
drwxr-xr-x - resources
-rwxr-xr-x 37394 xdg-mime
-rwxr-xr-x 33273 xdg-settings