r134080 causes heap problem on linux systems where PAGESIZE != 4096
https://bugs.webkit.org/show_bug.cgi?id=102828

Patch by Balazs Kilvady <kilvadyb@homejinni.com> on 2013-01-18
Reviewed by Mark Hahnenberg.

Make MarkStackSegment::blockSize as the capacity of segments of a MarkStackArray.

* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCoreExports.def:
* heap/MarkStack.cpp:
(JSC):
(JSC::MarkStackArray::MarkStackArray):
(JSC::MarkStackArray::expand):
(JSC::MarkStackArray::donateSomeCellsTo):
(JSC::MarkStackArray::stealSomeCellsFrom):
* heap/MarkStack.h:
(JSC::MarkStackSegment::data):
(CapacityFromSize):
(MarkStackArray):
* heap/MarkStackInlines.h:
(JSC::MarkStackArray::setTopForFullSegment):
(JSC::MarkStackArray::append):
(JSC::MarkStackArray::isEmpty):
(JSC::MarkStackArray::size):
* runtime/Options.h:
(JSC):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140195 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[chromium] Test expectation updates

Mark this test added in r140024 as Failure on Chromium Mac Debug:
fast/inline/fixed-pos-moves-with-abspos-inline-parent.html

* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140196 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Objective-C API: Update documentation for JSValue and JSContext
https://bugs.webkit.org/show_bug.cgi?id=107313

Reviewed by Geoffrey Garen.

After changing the semantics of object lifetime we need to update the API documentation to reflect the new semantics.

* API/APIJSValue.h:
* API/JSContext.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140197 268f45cc-cd09-0410-ab3c-d52691b4dbfc