Currently, the external API (e.g. v8::Object::Get()) will enter the
context passed to it automatically. This is incorrect and causes some
trouble for Blink, so we want to change that.

It then becomes a potential problem to call the external API without
first entering a context, which the inspector code does in some
places. This patch aims to correct this.

BUG=v8:6307

Review-Url: https://codereview.chromium.org/2841053002
Cr-Commit-Position: refs/heads/master@{#44917}

BUG=chromium:635948
R=dgozman@chromium.org,alph@chromium.org

Review-Url: https://codereview.chromium.org/2343733002
Cr-Commit-Position: refs/heads/master@{#39727}

BUG=chromium:635948
R=dgozman@chromium.org,alph@chromium.org
TBR=machenbach@chromium.org

Review-Url: https://codereview.chromium.org/2338413003
Cr-Commit-Position: refs/heads/master@{#39608}

BUG=chromium:635948
R=alph@chromium.org

Review-Url: https://codereview.chromium.org/2359533002
Cr-Commit-Position: refs/heads/master@{#39572}

- inspector becomes a dependency of v8_base;
- generated public protocol files are placed to gen/v8/include/inspector/<Domain.h>;
- added v8_enable_inspector_override to be used in embedders (gn only);
- combined public headers into v8-inspector.h and v8-inspector-protocol.h.

BUG=chromium:635948

Review-Url: https://codereview.chromium.org/2292053003
Cr-Commit-Position: refs/heads/master@{#39226}

Attempt #2, formatted and disabled lint for src/inspector.

BUG=chromium:635948
NOPRESUBMIT=true (for grammar check in license code)

Review-Url: https://codereview.chromium.org/2292573002
Cr-Commit-Position: refs/heads/master@{#39107}

Revert of [inspector] Initial import of v8_inspector. (patchset #3 id:40001 of https://codereview.chromium.org/2292573002/ )

Reason for revert:
Presubmit

Original issue's description:
> [inspector] Initial import of v8_inspector.
>
> BUG=chromium:635948
> NOPRESUBMIT=true (for code style)
>
> Committed: https://crrev.com/e29594ea3c5c41de0844e71f7a82c990a8da71ee
> Cr-Commit-Position: refs/heads/master@{#39057}

TBR=jochen@chromium.org,pfeldman@chromium.org,dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:635948

Review-Url: https://codereview.chromium.org/2300823002
Cr-Commit-Position: refs/heads/master@{#39058}

BUG=chromium:635948
NOPRESUBMIT=true (for code style)

Review-Url: https://codereview.chromium.org/2292573002
Cr-Commit-Position: refs/heads/master@{#39057}