Avoiding creation of new string for component version.

Avoiding creation of new string for component version.

base::Version constructor already takes a std::string, so no need to
pass in result of c_str() which would just create a second std::string.

Committed: https://crrev.com/c7a9315c7376b3d4664b03c57bcc295b11e46767
Cr-Commit-Position: refs/heads/master@{#342383}

[cmumford, 2015-08-06 16:10:16]

cmumford@chromium.org changed reviewers:
+ waffles@chromium.org

[waffles, 2015-08-07 16:27:44]

lgtm

[cmumford, 2015-08-07 17:29:04]

The CQ bit was checked by cmumford@chromium.org

[commit-bot: I haz the power, 2015-08-07 17:29:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1280673002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1280673002/1

[commit-bot: I haz the power, 2015-08-07 18:09:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-07 18:09:37]

Patchset 1 (id:??) landed as
https://crrev.com/c7a9315c7376b3d4664b03c57bcc295b11e46767
Cr-Commit-Position: refs/heads/master@{#342383}