WebRTC: Add Linux GCC bot.

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 265 matching lines @@
 
 def _clang_common(c):
   c.compile_py.compiler = 'clang'
   c.gyp_env.GYP_DEFINES['clang'] = 1
 
 @config_ctx(group='compiler')
 def clang(c):
   _clang_common(c)
 
 @config_ctx(group='compiler')
+def gcc(c):
+  c.gyp_env.GYP_DEFINES['clang'] = 0
+
+@config_ctx(group='compiler')
 def default_compiler(c):
   if c.TARGET_PLATFORM in ('mac', 'ios'):
     _clang_common(c)
 
 @config_ctx(deps=['compiler', 'builder'], group='distributor')
 def goma(c):
   if c.compile_py.build_tool == 'vs':  # pragma: no cover
     raise BadConf('goma doesn\'t work with msvs')
 
   if not c.compile_py.compiler:
@@ skipping 493 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