Try to deflake cctest/test-cpu-profiler/NativeAccessorNameInProfile1 on Windows

Make native accessors sleep for 1ms before measuring elapsed time. This is to check the theory that we cannot pause profiled thread on Win64 for some reason and miss many samples.

BUG=None
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/16656003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15016 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Take all uses into account to clear int32 truncation.

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16656002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15017 ce2b1a6d-e550-0410-aec6-3dcde31c8c00