First version of the PGO recipe.

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 slave.recipe_config import config_item_context, ConfigGroup
 from slave.recipe_config import Dict, Single, Static, Set, BadConf
 from slave.recipe_config_types import Path
 
@@ skipping 396 matching lines @@
 
 def _android_common(c):
   gyp_defs = c.gyp_env.GYP_DEFINES
   gyp_defs['fastbuild'] = 1
   gyp_defs['OS'] = c.TARGET_PLATFORM
 
 @config_ctx(includes=['ninja', 'shared_library', 'jsonclang'])
 def codesearch(c):
   gyp_defs = c.gyp_env.GYP_DEFINES
   gyp_defs['fastbuild'] = 1
+
+
+@config_ctx()
+def chrome_pgo_base(c):
+  c.gyp_env.GYP_DEFINES['buildtype'] = 'Official'
+  c.gyp_env.GYP_DEFINES['optimize'] = 'max'
+  c.gyp_env.GYP_DEFINES['use_goma'] = 0
+  c.gyp_env.GYP_DEFINES['fastbuild'] = 0
+  c.compile_py.default_targets = ['chrome']
+
+#### 'Full' configurations
+@config_ctx(includes=['chrome_pgo_base'])
+def chrome_pgo_instrument(c):
+  c.gyp_env.GYP_DEFINES['chrome_pgo_phase'] = 1
+
+@config_ctx(includes=['chrome_pgo_base'])
+def chrome_pgo_optimize(c):
+  c.gyp_env.GYP_DEFINES['chrome_pgo_phase'] = 2