ElementsAccessor::CopyElements() and its callers handlified.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/212573007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Ship promises and weak collections

R=mstarzinger@chromium.org
BUG=

Committed: https://code.google.com/p/v8/source/detail?r=20211

Review URL: https://codereview.chromium.org/206163004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix some missing includes and forward declarations.

R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/214903002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20314 ce2b1a6d-e550-0410-aec6-3dcde31c8c00