[oilpan] Implement hooks for incremental marking

Desktop / Chromium - Michael Lippautz [chromium.org] - 11 October 2017 19:07 EDT

- Add runtime flag HeapIncrementalMarking.
- Provide basic hooks for incremental marking.

Bug: chromium:757440 Change-Id: I7c69e8db223c56c3d871d2efa3475235c9f4abdb Reviewed-on: https://chromium-review.googlesource.com/702934 Commit-Queue: Michael Lippautz

80a7f71 [oilpan] Implement hooks for incremental marking
.../WebKit/Source/platform/heap/ThreadState.cpp | 85 ++++++++++++++++++++--
.../WebKit/Source/platform/heap/ThreadState.h | 20 +++++
.../Source/platform/runtime_enabled_features.json5 | 3 +
3 files changed, 103 insertions(+), 5 deletions(-)

Upstream: git.chromium.org


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