Revert of Finally get rid of depot_tools' breakpad.

gcl.py

Index: gcl.py
diff --git a/gcl.py b/gcl.py
index a80939673c9d2008ef19e0d6cec0b31f4be1e02f..1f88025dda916ab8309550fe890107e95e953d57 100755
--- a/gcl.py
+++ b/gcl.py
@@ -19,6 +19,8 @@
 import tempfile
 import time
 import urllib2
+
+import breakpad  # pylint: disable=W0611
 
 
 import auth
@@ -741,6 +743,12 @@
 
 def OptionallyDoPresubmitChecks(change_info, committing, args):
   if FilterFlag(args, "--no_presubmit") or FilterFlag(args, "--force"):
+    breakpad.SendStack(
+        breakpad.DEFAULT_URL + '/breakpad',
+        'GclHooksBypassedCommit',
+        'Issue %s/%s bypassed hook when committing (tree status was "%s")' %
+        (change_info.rietveld, change_info.issue, GetTreeStatus()),
+        verbose=False)
     return presubmit_support.PresubmitOutput()
   return DoPresubmitChecks(change_info, committing, True)