GYP Changes and Scripts for Compiling Skia for ChromeOS

For now, this requires having a complete ChromeOS checkout.

R=djsollen@google.com

Review URL: https://codereview.chromium.org/16099011

git-svn-id: http://skia.googlecode.com/svn/trunk@9505 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/ports.gyp b/gyp/ports.gyp
index af6229e..526e920 100644
--- a/gyp/ports.gyp
+++ b/gyp/ports.gyp
@@ -39,7 +39,7 @@
         '../src/ports/SkXMLParser_empty.cpp',
       ],
       'conditions': [
-        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris"]', {
+        [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "chromeos"]', {
           'defines': [
             #The font host requires at least FreeType 2.3.0 at runtime.
             'SK_FONTHOST_FREETYPE_RUNTIME_VERSION=0x020300',\