[BlackBerry] LayerTiler: rename currentFrameHasAlpha as currentFrameKnownToBeOpaque
https://bugs.webkit.org/show_bug.cgi?id=111828

Patch by Alberto Garcia <agarcia@igalia.com> on 2013-03-08
Reviewed by Carlos Garcia Campos.

This changed in r141637.

* platform/graphics/blackberry/LayerTiler.cpp:
(WebCore::LayerTiler::updateTextureContentsIfNeeded):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145193 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Cache flush problem on ARMv7 JSC
https://bugs.webkit.org/show_bug.cgi?id=111441

Reviewed by Zoltan Herczeg.

Not proper cache flush causing random crashes on ARMv7 Linux with V8 tests.
The problem is similar to https://bugs.webkit.org/show_bug.cgi?id=77712.
Change the cache fulsh mechanism similar to ARM traditinal and revert the
temporary fix.

Source/JavaScriptCore:

* assembler/ARMv7Assembler.h:
(JSC::ARMv7Assembler::cacheFlush):

Source/WTF:

* wtf/OSAllocatorPosix.cpp:
(WTF::OSAllocator::reserveUncommitted):
(WTF::OSAllocator::decommit):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145194 268f45cc-cd09-0410-ab3c-d52691b4dbfc