Add back native tracing to optimized code. Tracing natives is an important part of perfromance analysis and should therefore be available in optiumized VM as well. No performance implications are expected.
Add back native tracing to optimized code. Tracing natives is an important part of perfromance analysis and should therefore be available in optiumized VM as well. No performance implications are expected.

R=asiva@google.com

Review URL: https://codereview.chromium.org//27226002

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@28614 260f80e4-7a28-3924-810f-c04153c831b5

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