base: Stop passing by non-const references in some more places.
commit9fdfd058a7df48c29dd254d8a6a02c8f7c8d31a1
authordanakj <danakj@chromium.org>
Tue, 10 Mar 2015 01:48:05 +0000 (9 18:48 -0700)
committerCommit bot <commit-bot@chromium.org>
Tue, 10 Mar 2015 01:49:09 +0000 (10 01:49 +0000)
treeb3f08c944501b814fc79152ace1877bdc375dd5d
parent535b4f0be7b7edde9874e8b6ac1519afe44f6db5
base: Stop passing by non-const references in some more places.

These are mostly unit test changes. There are a fair number of
occurances still, but they are not easy (or possible) to change due
to STL, third_party, or template requirements.

R=Nico
BUG=464816

Review URL: https://codereview.chromium.org/992083002

Cr-Commit-Position: refs/heads/master@{#319812}
base/files/file_util_unittest.cc
base/json/json_value_serializer_unittest.cc
base/test/histogram_tester.cc
base/test/histogram_tester.h
base/threading/thread_collision_warner_unittest.cc
base/trace_event/trace_event_impl.cc