Don't compile the debugger on ChromeOS

TBR=epoger

Review URL: https://codereview.chromium.org/22831048

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@10904 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/everything.gyp b/everything.gyp
index 000bb78..dc5d91c 100644
--- a/everything.gyp
+++ b/everything.gyp
@@ -14,7 +14,7 @@
       'type': 'none',
       'dependencies': ['most.gyp:most'],
       'conditions': [
-        ['skia_os in ("ios", "android") or (skia_os == "mac" and skia_arch_width == 32)', {
+        ['skia_os in ("ios", "android", "chromeos") or (skia_os == "mac" and skia_arch_width == 32)', {
           # debugger is not supported on this platform
         }, {
           'dependencies': [ 'debugger.gyp:debugger' ],