Remove unused field.
authoryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 13 Mar 2013 11:44:07 +0000 (11:44 +0000)
committeryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Wed, 13 Mar 2013 11:44:07 +0000 (11:44 +0000)
commit74e7500afac77a5dc8492678b8677c8da3117c1f
treeca62a929a2bf9812c62e0682e29674e8e5ae5028
parentcfb957af15b1e87d3481c824bb557251e8ab5c56
Remove unused field.

BUG=

Review URL: https://chromiumcodereview.appspot.com/12789004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13930 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/optimizing-compiler-thread.h