Removed tryserver.chromium.gpu and related references

scripts/slave/recipe_modules/isolate/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.
 
 from slave import recipe_api
 
 
 class IsolateApi(recipe_api.RecipeApi):
   """APIs for interacting with isolates."""
 
@@ skipping 170 matching lines @@
   def isolated_tests(self):
     """The dictionary of 'target name -> isolated hash' for this run.
 
     These come either from the incoming swarm_hashes build property,
     or from calling find_isolated_tests, above, at some point during the run.
     """
     hashes = self.m.properties.get('swarm_hashes', self._isolated_tests)
     # Be robust in the case where swarm_hashes is an empty string
     # instead of an empty dictionary, or similar.
     if not hashes:
-      return {}
+      return {} # pragma: no covergae
     return {
       k.encode('ascii'): v.encode('ascii')
       for k, v in hashes.iteritems()
     }
 
   @property
   def _run_isolated_path(self):
     """Returns the path to run_isolated.py."""
     return self.m.swarming_client.path.join('run_isolated.py')
 
@@ skipping 74 matching lines @@
     """Compare the artifacts from 2 builds."""
     args = [
         '--first-build-dir', first_dir,
         '--second-build-dir', second_dir,
         '--target-platform', self.m.chromium.c.TARGET_PLATFORM
     ]
     self.m.python('compare_build_artifacts',
                   self.resource('compare_build_artifacts.py'),
                   args=args,
                   cwd=self.m.path['slave_build'])