Add the ability to filter changes by author/committer/log message grep

[GoogleCodeExporter]

Ye olde' chromium git repo could show changes by various fields: 
http://git.chromium.org/gitweb/?p=chromium/src.git;a=search_help

AFACIT gitiles (https://chromium.googlesource.com/chromium/chromium/+/trunk) 
has no equivalent functionality. 
Could it be added?

Original issue reported on code.google.com by fischman@chromium.org on 6 Feb 2014 at 8:43

[GoogleCodeExporter]

This has been fixed, can somebody close this bug?

Original comment by kal...@chromium.org on 12 Sep 2014 at 8:28

[GoogleCodeExporter]

What is the fix?  How do you search gitiles by the criteria the gitweb URL in 
the original report describes?

Original comment by fischman@chromium.org on 12 Sep 2014 at 8:39

[GoogleCodeExporter]

Well author works, and it's ?author=fischman. I'm not sure it's gone live.

Original comment by kal...@chromium.org on 12 Sep 2014 at 8:41

[GoogleCodeExporter]

What can you append that query string to?
https://chromium.googlesource.com/chromium/src/?author=fischman for example
seems to ignore the ?... part.

Original comment by fischman@chromium.org on 12 Sep 2014 at 8:44

[GoogleCodeExporter]

Like:

https://chromium.googlesource.com/chromium/src.git/+log/master?author=kalman

is supposed to work:
https://gerrit.googlesource.com/gitiles/+/bcc19fa7db69c1ca744ce993c810200323a0af
28
and 
https://gerrit.googlesource.com/gitiles/+/8646ff594d7da7bf8185322e8b9c0369993bd1
42 I guess?

Original comment by kal...@chromium.org on 12 Sep 2014 at 8:48

[GoogleCodeExporter]

Great, thanks!

Original comment by fischman@chromium.org on 12 Sep 2014 at 8:56