Use remove_build_metadata.py on all the trybots (take 3).

scripts/slave/recipes/chromium_trybot.py

Index: scripts/slave/recipes/chromium_trybot.py
diff --git a/scripts/slave/recipes/chromium_trybot.py b/scripts/slave/recipes/chromium_trybot.py
index b5db1169577abeea13e2ff46c954b5c88fb27c19..77fd0973553175096f6d6bcd42b9b144dda395c5 100644
--- a/scripts/slave/recipes/chromium_trybot.py
+++ b/scripts/slave/recipes/chromium_trybot.py
@@ -929,7 +929,10 @@ def GenSteps(api):
       raise
 
     if bot_config.get('use_isolate') or has_swarming_tests:
-      # TODO(sebmarchand): remove_build_metadata, http://crbug.com/314403 .
+      # Remove the build metadata from the binaries. Currently it's a noop on

[M-A Ruel, 2014/11/21 19:25:09]

The command is not exactly right due to android, I recommend removing the second
sentence.

[Sébastien Marchand, 2014/11/21 19:34:24]

Done.

+      # all platforms except Windows where it run zap_timestamp.exe on all the
+      # PE images.
+      api.isolate.remove_build_metadata()
       # Isolate all prepared targets, will look for *.isolated.gen.json files.
       api.isolate.isolate_tests(api.chromium.output_dir, verbose=True)