Use json.loads instead of json.load

scripts/slave/recipe_modules/ios/api.py

 # Copyright 2015 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 copy
 
 from recipe_engine import recipe_api
 
 
 class iOSApi(recipe_api.RecipeApi):
@@ skipping 731 matching lines @@
         step_result.presentation.step_text = (
           'Unexpected infrastructure failure.'
         )
         infra_failures.append(task.step_name)
 
       # Add any iOS test runner results to the display.
       test_summary = self.m.path.join(
         task.task.task_output_dir, '0', 'summary.json')
       if self.m.path.exists(test_summary): # pragma: no cover
         with open(test_summary) as f:
-          test_summary_json = self.m.json.load(f)
+          test_summary_json = self.m.json.loads(f.read())
         step_result.presentation.logs['test_summary.json'] = self.m.json.dumps(
           test_summary_json, indent=2).splitlines()
         step_result.presentation.logs.update(test_summary_json.get('logs', {}))
         step_result.presentation.links.update(
           test_summary_json.get('links', {}))
         if test_summary_json.get('step_text'):
           step_result.presentation.step_text = '%s<br />%s' % (
             step_result.presentation.step_text, test_summary_json['step_text'])
 
     if test_failures:
@@ skipping 55 matching lines @@
         self.configuration,
         'iossim',
       ),
       'ninja': self.m.path.join(
         'src',
          build_dir,
          '%s-%s' % (self.configuration, platform),
          'iossim',
       ),
     }[self.compiler]