Small optimization for <webview> tooltips.

Small optimization for <webview> tooltips.

The IPC that is used to send tooltip text to BrowserPlugin was sent on every mouse movement, and unnecessarily sent the same text repeatedly. This is now checked and only new text is actually sent.

Committed: https://crrev.com/e80cfc998098de11ac8cb637eabc0c4f19041a35
Cr-Commit-Position: refs/heads/master@{#299054}

[paulmeyer, 2014-10-09 17:24:35]

paulmeyer@chromium.org changed reviewers:
+ fsamuel@chromium.org

[paulmeyer, 2014-10-09 17:24:35]

+fsamuel@

[Fady Samuel, 2014-10-10 01:35:27]

lgtm

[paulmeyer, 2014-10-10 02:13:04]

The CQ bit was checked by paulmeyer@chromium.org

[commit-bot: I haz the power, 2014-10-10 02:13:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/638253004/1

[commit-bot: I haz the power, 2014-10-10 03:37:51]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-10 03:38:32]

Patchset 1 (id:??) landed as
https://crrev.com/e80cfc998098de11ac8cb637eabc0c4f19041a35
Cr-Commit-Position: refs/heads/master@{#299054}