[perf] Refactor chromium.perf.fyi recipe config to reuse chromium.perf code.

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 770 matching lines @@
 def v8_hybrid_arm(c):
   c.gyp_env.GYP_DEFINES['disable_nacl'] = 1
   c.gyp_env.GYP_DEFINES['v8_target_arch'] = 'arm'
   c.gyp_env.GYP_DEFINES['target_arch'] = 'ia32'
   c.gyp_env.GYP_DEFINES['host_arch'] = 'x86_64'
 
 @config_ctx()
 def enable_ipc_fuzzer(c):
   c.gyp_env.GYP_DEFINES['enable_ipc_fuzzer'] = 1
 
-@config_ctx(includes=['chromium', 'official', 'mb'])
-def chromium_perf(c):
-  c.clobber_before_runhooks = False
-
-@config_ctx(includes=['chromium_perf', 'goma_hermetic_fallback'])
-def tryserver_chromium_perf(c):
-  # Bisects may build using old toolchains, so goma_hermetic_fallback is
-  # required. See https://codereview.chromium.org/1015633002
-  pass
-
 @config_ctx(includes=['chromium_clang'])
 def cast_linux(c):
   c.gyp_env.GYP_DEFINES['chromecast'] = 1
 
 @config_ctx()
 def internal_gles2_conform_tests(c):
   c.gyp_env.GYP_DEFINES['internal_gles2_conform_tests'] = 1
 
 @config_ctx()
 def build_angle_deqp_tests(c):
   c.gyp_env.GYP_DEFINES['build_angle_deqp_tests'] = 1
 
 @config_ctx()
 def force_mac_toolchain(c):
   c.env.FORCE_MAC_TOOLCHAIN = 1
   c.gyp_env.FORCE_MAC_TOOLCHAIN = 1