Deterministic build: Add a whitelist to the compare_build_artifact script

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 256 matching lines @@
                     args=args,
                     cwd=self.m.path['slave_build'])
     except self.m.step.StepFailure:
       step_result = self.m.step.active_result
       step_result.presentation.status = self.m.step.WARNING
 
   def compare_build_artifacts(self, first_dir, second_dir):
     """Compare the artifacts from 2 builds."""
     args = [
         '--first-build-dir', first_dir,
-        '--second-build-dir', second_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'])