Make sure all the scopes used in api-natives.cc have inlineable constructors
and destructors. Additionally directly precheck the instantiations cache before
trying to enter the InvokeScope which sets the save_context.

BUG=chromium:630217

Review-Url: https://codereview.chromium.org/2206773003
Cr-Commit-Position: refs/heads/master@{#38346}