[Chromium] Focus Plugin on TouchStart
https://bugs.webkit.org/show_bug.cgi?id=112385

Reviewed by Adam Barth.

* src/WebPluginContainerImpl.cpp:
(WebKit::WebPluginContainerImpl::handleMouseEvent):
* src/WebPluginContainerImpl.h:
(WebPluginContainerImpl):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145957 268f45cc-cd09-0410-ab3c-d52691b4dbfc