https://bugs.webkit.org/show_bug.cgi?id=46761

Reviewed by Simon Fraser.

Currently we call Document::updateStyleForAllDocuments() after invoking any event or timeout handler. This is
slow since it iterates over the entire document tree and defeats our recalcStyle timer batching. It is
unnecessary as any code that depends on styles or the render tree being up to date must call
updateStyleIfNeeded() on the document it is accessing.

The first reference I can find to this code is in r798 in the file WebCore/khtml/xml/domnode_impl.cpp. It's been
cargo culted forward ever since.

* bindings/ScriptControllerBase.cpp:
(WebCore::ScriptController::executeScript):
* bindings/js/ScheduledAction.cpp:
(WebCore::ScheduledAction::execute):
* bindings/js/ScriptController.cpp:
(WebCore::ScriptController::ScriptController):
(WebCore::ScriptController::executeScriptInWorld):
* bindings/js/ScriptController.h:
* bindings/v8/ScheduledAction.cpp:
(WebCore::ScheduledAction::execute):
* bindings/v8/ScriptController.cpp:
(WebCore::ScriptController::ScriptController):
* bindings/v8/ScriptController.h:
* dom/ScriptElement.cpp:
(WebCore::ScriptElement::executeScript):
* inspector/InspectorClient.cpp:
(WebCore::InspectorClient::doDispatchMessageOnFrontendPage):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106043 268f45cc-cd09-0410-ab3c-d52691b4dbfc