Define stubs for implementations of v8-profiler.h API when profiling is disabled
Define stubs for implementations of v8-profiler.h API when profiling is disabled

TBR=sgjesse@chromium.org
BUG=https://bugs.webkit.org/show_bug.cgi?id=62014

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@8170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh