Revert "Remove references to crash_service, which is no longer needed."

scripts/slave/recipe_modules/chromium/api.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 re
 
 from recipe_engine import recipe_api
 from recipe_engine import util as recipe_util
 
 class TestLauncherFilterFileInputPlaceholder(recipe_util.InputPlaceholder):
@@ skipping 592 matching lines @@
 
   def cleanup_temp(self):
     self.m.python(
       'cleanup_temp',
       self.package_repo_resource('scripts', 'tools', 'runit.py'),
       ['--show-path',
        'python',
        self.package_repo_resource('scripts', 'slave', 'cleanup_temp.py')],
       infra_step=True)
 
+  def crash_handler(self):
+    self.m.python(
+        'start_crash_service',
+        self.package_repo_resource(
+            'scripts', 'slave', 'chromium', 'run_crash_handler.py'),
+        ['--target', self.c.build_config_fs],
+        infra_step=True)
+
   def process_dumps(self, **kwargs):
     # Dumps are especially useful when other steps (e.g. tests) are failing.
     try:
       self.m.python(
           'process_dumps',
           self.package_repo_resource('scripts', 'slave', 'process_dumps.py'),
           ['--target', self.c.build_config_fs],
           infra_step=True,
           **kwargs)
     except self.m.step.InfraFailure:
@@ skipping 81 matching lines @@
       }))
 
   def get_annotate_by_test_name(self, test_name):
     return 'graphing'
 
   def download_lto_plugin(self):
     return self.m.python(
         name='download LTO plugin',
         script=self.m.path['checkout'].join(
             'build', 'download_gold_plugin.py'))