Make recipes use the new way of enabling goma.

scripts/slave/recipe_modules/chromium/config.py

Index: scripts/slave/recipe_modules/chromium/config.py
===================================================================
--- scripts/slave/recipe_modules/chromium/config.py	(revision 248765)
+++ scripts/slave/recipe_modules/chromium/config.py	(working copy)
@@ -32,6 +32,7 @@
       build_tool = Single(basestring),
       compiler = Single(basestring, required=False),
       mode = Single(basestring, required=False),
+      goma_dir = Single(Path, required=False),
       clobber = Single(bool, empty_val=False, required=False, hidden=False),
     ),
     gyp_env = ConfigGroup(
@@ -192,6 +193,12 @@
   else:  # pragma: no cover
     raise BadConf('goma config dosen\'t understand %s' % c.compile_py.compiler)
 
+  c.gyp_env.GYP_DEFINES['use_goma'] = 1
+
+  goma_dir = Path('[BUILD]', 'goma')

[Nico, 2014/02/04 19:57:02]

To make sure: [BUILD] evaluates to the root of the buildbot dir, not the root of
chromium's build dire, yes?

[Paweł Hajdan Jr., 2014/02/04 20:40:15]

Yes. I tested this locally.

+  c.gyp_env.GYP_DEFINES['gomadir'] = goma_dir
+  c.compile_py.goma_dir = goma_dir
+
   if c.TARGET_PLATFORM == 'win':
     fastbuild(c)
     pch(c, invert=True)