nanobench: add a cute bar chart

nanobench: add a cute bar chart

Give this a try?  Helpful, or gets in the way?

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/5d9d10e8217d2138b5514a4d4216f95373240942

[krajcevski, 2014-07-11 17:59:00]

On 2014/07/11 15:54:00, mtklein_C wrote:

lgtm, although a bit gimmicky. Aren't you worried about build problems with
finicky non-UTF8 compliant compilers?

[mtklein, 2014-07-11 18:00:33]

On 2014/07/11 17:59:00, krajcevski wrote:
> On 2014/07/11 15:54:00, mtklein_C wrote:
> 
> lgtm, although a bit gimmicky. Aren't you worried about build problems with
> finicky non-UTF8 compliant compilers?

Vaguely.  If Windows lets it through, we ought to be fine.  They're just in
string literals after all.

[mtklein, 2014-07-11 18:00:37]

The CQ bit was checked by mtklein@google.com

[commit-bot: I haz the power, 2014-07-11 18:01:01]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/390483002/1

[mtklein_C, 2014-07-11 18:16:55]

The CQ bit was checked by mtklein@chromium.org

[commit-bot: I haz the power, 2014-07-11 18:18:01]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/390483002/20001

[mtklein_C, 2014-07-11 18:32:55]

The CQ bit was checked by mtklein@chromium.org

[commit-bot: I haz the power, 2014-07-11 18:33:00]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@chromium.org/390483002/40001

[commit-bot: I haz the power, 2014-07-11 18:57:12]

Change committed as 5d9d10e8217d2138b5514a4d4216f95373240942