[heap] Don't perform huge marking steps when delaying full collection.

BUG= Review URL: https://codereview.chromium.org/1878573002 Cr-Commit-Position: refs/heads/master@{#35378}

[heap] Don't perform huge marking steps when delaying full collection.
BUG= Review URL: https://codereview.chromium.org/1878573002 Cr-Commit-Position: refs/heads/master@{#35378}
971929c3 · hpayer · Commit bot · dea67cf0 · 971929c3
Commit 971929c3 authored Apr 11, 2016 by hpayer Committed by Commit bot Apr 11, 2016
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heap.cc src/heap/heap.cc +0 -4

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--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -983,10 +983,6 @@ bool Heap::CollectGarbage(GarbageCollector collector, const char* gc_reason,
      !ShouldAbortIncrementalMarking() && !incremental_marking()->IsStopped() &&
      !incremental_marking()->should_hurry() && FLAG_incremental_marking &&
      OldGenerationAllocationLimitReached()) {
-    // Make progress in incremental marking.
-    const intptr_t kStepSizeWhenDelayedByScavenge = 1 * MB;
-    incremental_marking()->Step(kStepSizeWhenDelayedByScavenge,
-                                IncrementalMarking::NO_GC_VIA_STACK_GUARD);
    if (!incremental_marking()->IsComplete() &&
        !mark_compact_collector()->marking_deque_.IsEmpty() &&
        !FLAG_gc_global) {