Send release events as well as press events in linux event mocking infrastructure.
Send release events as well as press events in linux event mocking infrastructure.

Also send events for the modifier keys. This matches Windows more closely. I needed this for an test I was writing which I decided to throw away as it was using the wrong approach.

Review URL: http://codereview.chromium.org/178002

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@24650 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser