thread isolate for DebugMessage

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23904012

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16621 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Get rid of most uses of 'Temporary macro' HEAP

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23708030

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Use raw-to-handle trampoline in [Get/Set]HiddenPropertiesHashTable.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/23629040

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16623 ce2b1a6d-e550-0410-aec6-3dcde31c8c00