[BlackBerry] Add ScrollingCoordinatorBlackBerry implementation
https://bugs.webkit.org/show_bug.cgi?id=112915

Patch by Carlos Garcia Campos <cargarcia@rim.com> on 2013-03-21
Reviewed by Rob Buis.

* PlatformBlackBerry.cmake: Add page/scrolling/blackberry to the
indlude dir list.
* page/scrolling/ScrollingCoordinator.cpp:
(WebCore::ScrollingCoordinator::create): Create a
ScrollingCoordinatorBlackBerry for the BlackBerry platform.
* page/scrolling/blackberry/ScrollingCoordinatorBlackBerry.cpp: Added.
(WebCore):
(WebCore::ScrollingCoordinatorBlackBerry::ScrollingCoordinatorBlackBerry):
(WebCore::ScrollingCoordinatorBlackBerry::setLayerIsContainerForFixedPositionLayers):
(WebCore::ScrollingCoordinatorBlackBerry::setLayerIsFixedToContainerLayer):
(WebCore::ScrollingCoordinatorBlackBerry::setLayerFixedToContainerLayerEdge):
(WebCore::ScrollingCoordinatorBlackBerry::frameViewFrameRectDidChange):
(WebCore::ScrollingCoordinatorBlackBerry::frameViewContentsSizeDidChange):
* page/scrolling/blackberry/ScrollingCoordinatorBlackBerry.h: Added.
(WebCore):
(ScrollingCoordinatorBlackBerry):
(WebCore::ScrollingCoordinatorBlackBerry::supportsFixedPositionLayers):
* platform/graphics/PlatformLayer.h:
(WebCore): Add PlatformLayer definition for BlackBerry.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146478 268f45cc-cd09-0410-ab3c-d52691b4dbfc