[cronet] Switch to ensure_goma.

scripts/slave/recipe_modules/cronet/api.py

 # Copyright 2014 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.
 
 """Common steps for recipes that sync/build Cronet sources."""
 
 from recipe_engine.types import freeze
 from recipe_engine import recipe_api
 
 class CronetApi(recipe_api.RecipeApi):
@@ skipping 30 matching lines @@
         recipe_config,
         **dict(default_kwargs.items() + kwargs.items()))
     self.m.chromium.apply_config('cronet_builder')
     for c in chromium_apply_config or []:
       self.m.chromium.apply_config(c)
     self.m.chromium.c.gyp_env.GYP_DEFINES.update(gyp_defs)
     droid.init_and_sync(use_bot_update=True)
 
 
   def build(self, use_revision=True, use_goma=True):
+    if use_goma:
+      self.m.chromium.ensure_goma()
     self.m.chromium.runhooks()
     if self.m.chromium.c.project_generator.tool == 'gn': # pragma: no cover
       assert (self.m.chromium.c.HOST_PLATFORM == 'linux'
               and self.m.chromium.c.HOST_BITS == 64)
       self.m.chromium.run_gn(
           use_goma=use_goma,
           gn_path=self.m.path['checkout'].join('buildtools', 'linux64', 'gn'))
     elif self.m.chromium.c.project_generator.tool == 'mb':
       self.m.chromium.run_mb(
           self.m.properties['mastername'],
@@ skipping 45 matching lines @@
         droid.run_test_suite(suite, shard_timeout=180)
       for suite in instrumentation_tests:
         droid.run_instrumentation_suite(
             name=suite['target'],
             verbose=True,
             wrapper_script_suite_name=suite['target'],
             num_retries=0,
             **suite.get('kwargs', {}))
       droid.common_tests_final_steps()