Change highlight background colour of toolbar

Change highlight background colour of toolbar

The colour produced when highlighting the filename or the page number is a rather jarring orange.
Now it is a lighter shade of blue.

BUG=110020
Committed: https://crrev.com/2dd665e275fc6c1cd66c11ac567be56361668a85
Cr-Commit-Position: refs/heads/master@{#314502}

[Alexandre Carlton, 2015-02-02 05:04:56]

alexandrec@chromium.org changed reviewers:
+ raymes@chromium.org, sammc@chromium.org

[Sam McNally, 2015-02-02 05:52:56]

lgtm

[raymes, 2015-02-04 01:54:34]

lgtm

[Alexandre Carlton, 2015-02-04 02:53:52]

The CQ bit was checked by alexandrec@chromium.org

[commit-bot: I haz the power, 2015-02-04 02:54:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/872963006/1

[commit-bot: I haz the power, 2015-02-04 04:12:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-04 04:14:21]

Patchset 1 (id:??) landed as
https://crrev.com/2dd665e275fc6c1cd66c11ac567be56361668a85
Cr-Commit-Position: refs/heads/master@{#314502}