[iOS] WebKit crashes if text is copied to pasteboard with style containing text-shadow
https://bugs.webkit.org/show_bug.cgi?id=128888
<rdar://problem/16065699>

Reviewed by Anders Carlsson.

Use the correct class on iOS so that we don't crash.

* platform/mac/HTMLConverter.mm:
(_shadowForShadowStyle):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@164199 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Coordinated Graphics] Make AreaAllocator fast allocated
https://bugs.webkit.org/show_bug.cgi?id=124995

Reviewed by Anders Carlsson.

AreaAllocator can be created and destroyed frequently (at least once per
frame) in case of animation with changing width or height. So, it's
better to make AreaAllocator fast allocated.

* platform/graphics/texmap/coordinated/AreaAllocator.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@164200 268f45cc-cd09-0410-ab3c-d52691b4dbfc