[BlackBerry] InputHandler requires cleanup of Navigation Mode handling.

[BlackBerry] InputHandler requires cleanup of Navigation Mode handling.
https://bugs.webkit.org/show_bug.cgi?id=79366

Patch by Mike Fenton <mifenton@rim.com> on 2012-02-23
Reviewed by Rob Buis.

Cleanup InputHandler navigation based code.

1) Remove the concept of NavigationMode and replace it
   with simple showKeyboard calls.

2) Remove navigation move events and replace with standard
   key events.

3) Standardize function/variable names and remove obsolete
   functions.

* Api/WebPageClient.h:
* WebKitSupport/InputHandler.cpp:
(BlackBerry::WebKit::InputHandler::InputHandler):
(BlackBerry::WebKit::InputHandler::nodeFocused):
(BlackBerry::WebKit::InputHandler::setElementUnfocused):
(BlackBerry::WebKit::InputHandler::setElementFocused):
(BlackBerry::WebKit::InputHandler::ensureFocusTextElementVisible):
(BlackBerry::WebKit::InputHandler::setDelayKeyboardVisibilityChange):
(BlackBerry::WebKit::InputHandler::processPendingKeyboardVisibilityChange):
(BlackBerry::WebKit::InputHandler::notifyClientOfKeyboardVisibilityChange):
* WebKitSupport/InputHandler.h:
(InputHandler):
* WebKitSupport/SelectionHandler.cpp:
(BlackBerry::WebKit::SelectionHandler::setCaretPosition):
(BlackBerry::WebKit::SelectionHandler::updateOrHandleInputSelection):
* WebKitSupport/TouchEventHandler.cpp:
(BlackBerry::WebKit::TouchEventHandler::touchEventCancel):
(BlackBerry::WebKit::TouchEventHandler::handleTouchPoint):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@108702 268f45cc-cd09-0410-ab3c-d52691b4dbfc