In the Chrome DevTools Protocol, the step actions are named StepOut,
StepOver, and StepInto, but internally we used StepOut, StepNext, and
StepIn instead. This change adjusts the naming to be consistent.

Bug: chromium:901814, chromium:1162229
Change-Id: Id3502a1b0a4aadd94734ec3d1fef73c1782fa220
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928510Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Auto-Submit: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74877}

Adapted various tests to restrictions of inspector protocol:

* osr-typing-debug-change: Don't set function variable value.
* debug-evaluate-locals: Add variable introduced by eval, run typeof
  inside evaluate().
* regress-419663: Don't set duplicate breakpoints.
* regress-crbug-465298: Compare against function name instead of value.
* regress-crbug-621361: Make evaluate return string results.
* debug-script: Various counts were off due to new way tests are called.
                Added new inspector script type.

Breakpoints now contain the actual break position, and remote object
reconstruction has been extended a bit.

BUG=v8:5530

Review-Url: https://codereview.chromium.org/2505363002
Cr-Commit-Position: refs/heads/master@{#41129}

R=marja@chromium.org
BUG=chromium:621361

Review-Url: https://codereview.chromium.org/2185913003
Cr-Commit-Position: refs/heads/master@{#38087}