Finally get rid of depot_tools' breakpad.

gcl.py

Index: gcl.py
diff --git a/gcl.py b/gcl.py
index 1f88025dda916ab8309550fe890107e95e953d57..a80939673c9d2008ef19e0d6cec0b31f4be1e02f 100755
--- a/gcl.py
+++ b/gcl.py
@@ -20,8 +20,6 @@ import tempfile
 import time
 import urllib2
 
-import breakpad  # pylint: disable=W0611
-
 
 import auth
 import fix_encoding
@@ -743,12 +741,6 @@ def GetTreeStatus():
 
 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)