Make gclient sync use cpu count for default jobs

gclient_utils.py

Index: gclient_utils.py
diff --git a/gclient_utils.py b/gclient_utils.py
index ab45d28cc6bed09de46c4163dde258dbf7de96c3..e2ab2868e553944dd324df4c461a6225075268dc 100644
--- a/gclient_utils.py
+++ b/gclient_utils.py
@@ -769,3 +769,17 @@ def ParseCodereviewSettingsContent(content):
   fix_url('CODE_REVIEW_SERVER')
   fix_url('VIEW_VC')
   return keyvals
+
+
+def NumLocalCpus():
+  """Returns the number of processors.
+
+  Python on OSX 10.6 raises a NotImplementedError exception.
+  """
+  try:
+    # Multiprocessing
+    import multiprocessing
+    return multiprocessing.cpu_count()
+  except:  # pylint: disable=W0702
+    # Mac OS 10.6
+    return int(os.sysconf('SC_NPROCESSORS_ONLN'))

[M-A Ruel, 2012/10/16 01:20:18]

You want to # pylint: disable=E1101 here on Windows.

[Isaac (away), 2012/10/16 04:23:32]

Done, but I cribbed this function from swarm_client/run_test_cases.py.  Does
that also need this pylint disable?

[M-A Ruel, 2012/10/16 11:18:21]

I fixed it there a few hours ago. :) I rarely run the presubmit checks on
Windows, only ~once a month.