tree 114d1409d049073d3d432ea9e500979779dfbfee
parent 88efa6f5f33b9aa68b0c946c079cc79b00f67f22
author Steve McKay <smckay@google.com> 1454442063 -0800
committer Steve McKay <smckay@google.com> 1454453464 -0800

Show view mode button in action bar on Downloads.

A grab bag also with:
Report Roots while loading (in DEBUG).
Null check DirectoryFragment before calling methods on it.

Bug:26936660,26143397
Change-Id: Ief2c943eb24fb14349bbd9cc4a5fbd670f57d567