Revert of Experiment: reduce heap growing factor to investigate OOM impact....

Revert of Experiment: reduce heap growing factor to investigate OOM impact. (patchset #4 id:60001 of https://codereview.chromium.org/1060533003/)

Reason for revert:
Experiment done.

Original issue's description:
> Experiment: reduce heap growing factor to investigate OOM impact.
>
> This CL will be reverted after getting sufficient data.
> BUG=
>
> Committed: https://crrev.com/8b737395c8fcde35cbfbed6607f767ed48eefc5b
> Cr-Commit-Position: refs/heads/master@{#27804}

TBR=ulan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1085353003

Cr-Commit-Position: refs/heads/master@{#27871}

src/heap/heap.cc

@@ -5183,11 +5183,11 @@ intptr_t Heap::OldGenerationAllocationLimit(intptr_t old_gen_size,
   const int kMaxHandles = 1000;
   const int kMinHandles = 100;
   double min_factor = 1.1;
-  double max_factor = 1.5;
+  double max_factor = 4;
   // We set the old generation growing factor to 2 to grow the heap slower on
   // memory-constrained devices.
   if (max_old_generation_size_ <= kMaxOldSpaceSizeMediumMemoryDevice) {
-    max_factor = 1.5;
+    max_factor = 2;
   }
   // If there are many freed global handles, then the next full GC will
   // likely collect a lot of garbage. Choose the heap growing factor

test/cctest/test-api.cc

@@ -6646,8 +6646,7 @@ void InternalFieldCallback(bool global_gc) {
     }
   }
   if (global_gc) {
-    CcTest::heap()->CollectAllGarbage(
-        TestHeap::Heap::kAbortIncrementalMarkingMask);
+    CcTest::heap()->CollectAllGarbage(TestHeap::Heap::kNoGCFlags);
   } else {
     CcTest::heap()->CollectGarbage(i::NEW_SPACE);
   }