Fix comment in skia.gyp to mention ninja workaround.
tree8f97ed39f2d391e811d51ee52471390131e321d6
-rw-r--r-- 11801 .DEPS.git
-rw-r--r-- 3774 .gitignore
-rw-r--r-- 5256 AUTHORS
-rw-r--r-- 16057 DEPS
-rw-r--r-- 1563 LICENSE
-rw-r--r-- 2 OWNERS
-rw-r--r-- 10404 PRESUBMIT.py
-rw-r--r-- 15444 WATCHLISTS
drwxr-xr-x - base
drwxr-xr-x - breakpad
drwxr-xr-x - build
drwxr-xr-x - chrome
drwxr-xr-x - chrome_frame
drwxr-xr-x - cloud_print
-rw-r--r-- 611 codereview.settings
drwxr-xr-x - content
drwxr-xr-x - courgette
drwxr-xr-x - crypto
drwxr-xr-x - dbus
drwxr-xr-x - google_update
drwxr-xr-x - gpu
drwxr-xr-x - ipc
drwxr-xr-x - jingle
drwxr-xr-x - media
drwxr-xr-x - net
drwxr-xr-x - ppapi
drwxr-xr-x - printing
drwxr-xr-x - remoting
drwxr-xr-x - sandbox
drwxr-xr-x - sdch
drwxr-xr-x - skia
drwxr-xr-x - sql
drwxr-xr-x - testing
drwxr-xr-x - third_party
drwxr-xr-x - tools
drwxr-xr-x - ui
drwxr-xr-x - views
drwxr-xr-x - webkit