Remove QWebView::guessUrlFromString() and replace its use

Remove QWebView::guessUrlFromString() and replace its use
with the new QUrl::fromUserInput() if using Qt 4.6 or newer.

Patch by Kenneth Rohde Christiansen <kenneth@webkit.org> on 2009-10-29
Reviewed by Tor Arne Vestbø.

* Api/qwebview.cpp:
* Api/qwebview.h:
* QGVLauncher/main.cpp:
(urlFromUserInput):
(WebPage::applyProxy):
(MainWindow::load):
* QtLauncher/main.cpp:
(urlFromUserInput):
(MainWindow::MainWindow):
(MainWindow::changeLocation):
* tests/qwebview/tst_qwebview.cpp:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@50270 268f45cc-cd09-0410-ab3c-d52691b4dbfc