Motivation: we do not have test coverage for debuggersupport=off.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/256653004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/18509003

Patch from Haitao Feng <haitao.feng@intel.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15510 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/7198021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8740 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Review URL: http://codereview.chromium.org/3150028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5371 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

1) addresses various Mark's concern;
2) adds some missing instance types and rearranges existing ones to follow
  InstanceType order;
3) various minor cleanups.

Review URL: http://codereview.chromium.org/3119023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5286 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Note: it intentionally lags behind current HeapStats (which now has os_error field)
as these new minidumps could not be produced by current versions of Chrome yet.

Review URL: http://codereview.chromium.org/3170015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5272 ce2b1a6d-e550-0410-aec6-3dcde31c8c00