Do a step before selecting the limit for the next step. However, as seen
on crbug.com/795323, while this fix makes us more precise in our
accounting, we do ending up seeing steps more frequently. This ends up
invoking the idle scavenger more frequently. To compensate, we adjust
the idle scavenger step size.

Bug: 
Change-Id: I7bc2b1785a564dee27aa3ce6a5a196efe9eb6283
Reviewed-on: https://chromium-review.googlesource.com/838440
Commit-Queue: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50816}

Bug: 
Change-Id: I857f8b3f992faf950917060b3fe705bdd45c3ada
Reviewed-on: https://chromium-review.googlesource.com/638339Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47653}

This CL removes the isolate_ property from the Cancelable class. The
isolate is actually not used in the class itself, only in sub-classes
which can store the isolate themselves.

R=jochen@chromium.org, mlippautz@chromium.org

Change-Id: If102fdea41b81fb3cb25782728f7fcbce9642815
Reviewed-on: https://chromium-review.googlesource.com/516704Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45535}

R=machenbach@chromium.org,titzer@chromium.org,bmeurer@chromium.org,jgruber@chromium.org
BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_win_dbg,v8_mac_dbg;master.tryserver.chromium.android:android_arm64_dbg_recipe

Review-Url: https://codereview.chromium.org/2416243002
Cr-Commit-Position: refs/heads/master@{#40350}

This avoids redundant casts, loss of precision, and potential overflows.

BUG=chromium:597310
LOG=NO

Review URL: https://codereview.chromium.org/1841043002

Cr-Commit-Position: refs/heads/master@{#35113}

This enables linter checking for "readability/namespace" violations
during presubmit and instead marks the few known exceptions that we
allow explicitly.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1371083003

Cr-Commit-Position: refs/heads/master@{#31019}

BUG=chromium:490559
LOG=NO

Review URL: https://codereview.chromium.org/1352453004

Cr-Commit-Position: refs/heads/master@{#30944}