add receipes for goma staging

scripts/slave/recipe_modules/chromium/config.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import pipes
 
 from recipe_engine.config import config_item_context, ConfigGroup
 from recipe_engine.config import Dict, List, Single, Static, Set, BadConf
 from recipe_engine.config_types import Path
 
@@ skipping 50 matching lines @@
       GYP_INCLUDE_LAST = Single(Path, required=False),
       GYP_LINK_CONCURRENCY = Single(int, required=False),
       GYP_MSVS_VERSION = Single(basestring, required=False),
       GYP_USE_SEPARATE_MSPDBSRV = Single(int, jsonish_fn=str, required=False),
       LLVM_DOWNLOAD_GOLD_PLUGIN = Single(int, required=False),
     ),
     env = ConfigGroup(
       PATH = List(Path),
       ADB_VENDOR_KEYS = Single(Path, required=False),
       LLVM_FORCE_HEAD_REVISION = Single(basestring, required=False),
+      GOMA_STUBBY_PROXY_IP_ADDRESS = Single(basestring, required=False),
     ),
     project_generator = ConfigGroup(
       tool = Single(basestring, empty_val='gyp'),
       args = Set(basestring),
     ),
     build_dir = Single(Path),
     cros_sdk = ConfigGroup(
       external = Single(bool, empty_val=True, required=False),
       args = List(basestring),
     ),
@@ skipping 168 matching lines @@
 
 @config_ctx()
 def msvs2013(c):
   c.gyp_env.GYP_MSVS_VERSION = '2013'
 
 @config_ctx()
 def goma_canary(c):
   c.compile_py.goma_hermetic = 'error'
 
 @config_ctx()
+def goma_staging(c):
+  c.env.GOMA_STUBBY_PROXY_IP_ADDRESS = 'sandbox.google.com'
+
+@config_ctx()
 def goma_hermetic_fallback(c):
   c.compile_py.goma_hermetic = 'fallback'
 
 @config_ctx()
 def goma_linktest(c):
   c.compile_py.goma_enable_remote_link = True
   c.compile_py.goma_store_local_run_output = True
 
 @config_ctx()
 def ninja_confirm_noop(c):
@@ skipping 548 matching lines @@
 @config_ctx()
 # TODO(erikchen): This config is used by bots that run tests, but don't compile.
 # If these bots are given the 10.10 SDK, we wouldn't need this special config.
 # http://crbug.com/515310
 def chromium_mac_sdk_10_6(c):
   c.gyp_env.GYP_DEFINES['mac_sdk_min'] = '10.6'
 
 @config_ctx(includes=['chromium_clang'])
 def cast_linux(c):
   c.gyp_env.GYP_DEFINES['chromecast'] = 1