Remove dependency on Vector from platform files

Add wrappers to utils.h instead.

BUG=none
R=jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/328343003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21846 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix x87 compile

TBR=marja@chormium.org
LOG=n
BUG=none

Review URL: https://codereview.chromium.org/337713003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21847 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/master'