This reverts commit 82451d45.

Reason for revert:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/16923

Original change's description:
> [inspector] doesn't run user code to stringify console method arg
> 
> Otherwise user code can produce an exception and we will crash.
> 
> R=​jakob@chromium.org
> 
> Bug: chromium:736302
> Change-Id: I078150909b0348a63e8c375b508e34fc4751b4ab
> Reviewed-on: https://chromium-review.googlesource.com/565628
> Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46566}

TBR=kozyatinskiy@chromium.org,jgruber@chromium.org,jakob@chromium.org

Change-Id: I6d7e06fad2ab6c1c894c199fe7b3b6afb2930734
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:736302
Reviewed-on: https://chromium-review.googlesource.com/567060Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46567}