Add alias

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142681 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[BlackBerry] Assume setScrollingOrZooming() to be called on the WebKit thread.
https://bugs.webkit.org/show_bug.cgi?id=109614
Internal PR 294513

Reviewed by Rob Buis.
Internally reviewed by Arvid Nilsson.

With this further simplification of threading assumptions,
we can get rid of atomic integer access as well as the
backing store mutex which was otherwise unused.

* Api/BackingStore.cpp:
(BlackBerry::WebKit::BackingStorePrivate::BackingStorePrivate):
(BlackBerry::WebKit::BackingStorePrivate::~BackingStorePrivate):
(BlackBerry::WebKit::BackingStorePrivate::suspendBackingStoreUpdates):
(BlackBerry::WebKit::BackingStorePrivate::resumeBackingStoreUpdates):
(BlackBerry::WebKit::BackingStorePrivate::isScrollingOrZooming):
(BlackBerry::WebKit::BackingStorePrivate::setScrollingOrZooming):
* Api/BackingStore_p.h:
(BackingStorePrivate):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142682 268f45cc-cd09-0410-ab3c-d52691b4dbfc