https://bugs.webkit.org/show_bug.cgi?id=92522

Reviewed by Antonio Gomes.

PR 179264.

Reduce the number of times we generate selection details notifications.

This removes several notifications that are handled by the standard
notification path and makes skipping duplicate notifications the default
so that only those that must generate a response do.

Reviewed Internally by Gen Mak.

* Api/WebPage.cpp:
(BlackBerry::WebKit::WebPagePrivate::notifyTransformedContentsSizeChanged):
(BlackBerry::WebKit::WebPagePrivate::updateDelegatedOverlays):
* WebKitSupport/InputHandler.cpp:
(BlackBerry::WebKit::InputHandler::setElementUnfocused):
* WebKitSupport/SelectionHandler.cpp:
(BlackBerry::WebKit::SelectionHandler::setCaretPosition):
(BlackBerry::WebKit::SelectionHandler::updateOrHandleInputSelection):
(BlackBerry::WebKit::SelectionHandler::setSelection):
(BlackBerry::WebKit::SelectionHandler::selectionPositionChanged):
* WebKitSupport/SelectionHandler.h:
(SelectionHandler):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@124050 268f45cc-cd09-0410-ab3c-d52691b4dbfc