Also move GetProperty with string-name to JSReceiver

BUG=

Review URL: https://codereview.chromium.org/1775973002

Cr-Commit-Position: refs/heads/master@{#34596}

This avoids a minor unnecessary inefficiency (GetRoot) in setting up the LookupIterator.

BUG=

Review URL: https://codereview.chromium.org/1767123002

Cr-Commit-Position: refs/heads/master@{#34560}

This change improves performance for the common case of
Object.getOwnPropertyDescriptor by up 3x-4x, where we just
return a property descriptor object for a regular data or
accessor property.

CQ_INCLUDE_TRYBOTS=tryserver.chromium.win:win_chromium_rel_ng
R=yangguo@chromium.org

Committed: https://crrev.com/ffa9e82235b20c523ebb1151c6196bc6232296b9
Cr-Commit-Position: refs/heads/master@{#33398}

Review URL: https://codereview.chromium.org/1607943003

Cr-Commit-Position: refs/heads/master@{#33415}

Revert of [runtime] Introduce maps for the likely cases of FromPropertyDescriptor. (patchset #1 id:1 of https://codereview.chromium.org/1607943003/ )

Reason for revert:
Predecessor CL suspect for roll breakage: https://codereview.chromium.org/1610563002

Original issue's description:
> [runtime] Introduce maps for the likely cases of FromPropertyDescriptor.
>
> This change improves performance for the common case of
> Object.getOwnPropertyDescriptor by up 3x-4x, where we just
> return a property descriptor object for a regular data or
> accessor property.
>
> R=yangguo@chromium.org
>
> Committed: https://crrev.com/ffa9e82235b20c523ebb1151c6196bc6232296b9
> Cr-Commit-Position: refs/heads/master@{#33398}

TBR=yangguo@chromium.org,bmeurer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1604243002

Cr-Commit-Position: refs/heads/master@{#33403}

This change improves performance for the common case of
Object.getOwnPropertyDescriptor by up 3x-4x, where we just
return a property descriptor object for a regular data or
accessor property.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/1607943003

Cr-Commit-Position: refs/heads/master@{#33398}

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1476403004

Cr-Commit-Position: refs/heads/master@{#32398}

When adding properties to the result object, that object's prototype chain should be ignored.

Review URL: https://codereview.chromium.org/1458873002

Cr-Commit-Position: refs/heads/master@{#32085}

BUG=v8:1543
LOG=n

Review URL: https://codereview.chromium.org/1438233002

Cr-Commit-Position: refs/heads/master@{#31962}

Proxies are not properly supported yet.

R=rossberg, jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1408163005

Cr-Commit-Position: refs/heads/master@{#31674}

along with follow-up fixes:

- "introduce LookupIterator::Restart() and use it"
- "always reset the LookupIterator before storing"
- "API-style accessors can throw, check for that"

Revert reason was fixed in Chromium: https://codereview.chromium.org/1415453003/

This reverts the following commits:
0188aead
984f8af8
dc9d2c16
a0f5d499

Review URL: https://codereview.chromium.org/1424503003

Cr-Commit-Position: refs/heads/master@{#31578}

Revert of Reland "Use C++ implementation of Object.definePropert{y,ies}" (patchset #2 id:20001 of https://codereview.chromium.org/1413123004/ )

Reason for revert:
Breaks test if rolled into Chromium: http://build.chromium.org/p/chromium.win/buildstatus?builder=Vista%20Tests%20%281%29&number=60441

Original issue's description:
> Reland "Use C++ implementation of Object.definePropert{y,ies}"
>
> This reverts commit 581ead5c.
>
> Committed: https://crrev.com/034f4a6ae14cd5c29ceddbdb8f9af179803ca793
> Cr-Commit-Position: refs/heads/master@{#31473}

TBR=verwaest@chromium.org,jkummerow@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1421123002

Cr-Commit-Position: refs/heads/master@{#31535}

This reverts commit 581ead5c.

Review URL: https://codereview.chromium.org/1413123004

Cr-Commit-Position: refs/heads/master@{#31473}

Revert of Use C++ implementation of Object.definePropert{y,ies} (patchset #4 id:60001 of https://codereview.chromium.org/1409613004/ )

Reason for revert:
[Sheriff] Breaks layout tests. Please request rebase upstream first if intended:
http://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/2427

One test times out now.

Original issue's description:
> Use C++ implementation of Object.definePropert{y,ies}
>
> For now, only rewire builtins in v8natives.js to call the new runtime functions.
>
> Committed: https://crrev.com/b2abc0e3ad4ce9dde8d66aab7aafae179e6948d4
> Cr-Commit-Position: refs/heads/master@{#31413}

TBR=verwaest@chromium.org,jkummerow@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1412893005

Cr-Commit-Position: refs/heads/master@{#31424}

For now, only rewire builtins in v8natives.js to call the new runtime functions.

Review URL: https://codereview.chromium.org/1409613004

Cr-Commit-Position: refs/heads/master@{#31413}

Not used yet, so this CL shouldn't change behavior.

Review URL: https://codereview.chromium.org/1368753003

Cr-Commit-Position: refs/heads/master@{#31241}