[heap] Introduce enum of garbage collection reasons.

test/cctest/test-heap-profiler.cc

Index: test/cctest/test-heap-profiler.cc
diff --git a/test/cctest/test-heap-profiler.cc b/test/cctest/test-heap-profiler.cc
index 55509869a83fdd35c0b80a5a3d1c67b9cb27fb2e..9d1090cdfd90b27aab9ac165f5d69cdad656528d 100644
--- a/test/cctest/test-heap-profiler.cc
+++ b/test/cctest/test-heap-profiler.cc
@@ -501,7 +501,7 @@ void CheckSimdSnapshot(const char* program, const char* var_name) {
   //     28 @ 13523   entry with no retainer: /hidden/ system / AllocationSite
   //     44 @   767    $map: /hidden/ system / Map
   //     44 @    59      $map: /hidden/ system / Map
-  CcTest::heap()->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
 
   const v8::HeapSnapshot* snapshot = heap_profiler->TakeHeapSnapshot();
   CHECK(ValidateSnapshot(snapshot));
@@ -738,7 +738,7 @@ TEST(HeapSnapshotAddressReuse) {
   CompileRun(
       "for (var i = 0; i < 10000; ++i)\n"
       "  a[i] = new A();\n");
-  CcTest::heap()->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
 
   const v8::HeapSnapshot* snapshot2 = heap_profiler->TakeHeapSnapshot();
   CHECK(ValidateSnapshot(snapshot2));
@@ -780,7 +780,7 @@ TEST(HeapEntryIdsAndArrayShift) {
       "for (var i = 0; i < 1; ++i)\n"
       "  a.shift();\n");
 
-  CcTest::heap()->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
 
   const v8::HeapSnapshot* snapshot2 = heap_profiler->TakeHeapSnapshot();
   CHECK(ValidateSnapshot(snapshot2));
@@ -821,7 +821,7 @@ TEST(HeapEntryIdsAndGC) {
   const v8::HeapSnapshot* snapshot1 = heap_profiler->TakeHeapSnapshot();
   CHECK(ValidateSnapshot(snapshot1));
 
-  CcTest::heap()->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
 
   const v8::HeapSnapshot* snapshot2 = heap_profiler->TakeHeapSnapshot();
   CHECK(ValidateSnapshot(snapshot2));
@@ -1150,7 +1150,7 @@ TEST(HeapSnapshotObjectsStats) {
   // We have to call GC 6 times. In other case the garbage will be
   // the reason of flakiness.
   for (int i = 0; i < 6; ++i) {
-    CcTest::heap()->CollectAllGarbage();
+    CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
   }
 
   v8::SnapshotObjectId initial_id;
@@ -1305,7 +1305,7 @@ TEST(HeapObjectIds) {
   }
 
   heap_profiler->StopTrackingHeapObjects();
-  CcTest::heap()->CollectAllAvailableGarbage();
+  CcTest::CollectAllAvailableGarbage();
 
   for (int i = 0; i < kLength; i++) {
     v8::SnapshotObjectId id = heap_profiler->GetObjectId(objects[i]);
@@ -3058,7 +3058,7 @@ TEST(SamplingHeapProfiler) {
         "  eval(\"new Array(100)\");\n"
         "}\n");
 
-    CcTest::heap()->CollectAllGarbage();
+    CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
 
     std::unique_ptr<v8::AllocationProfile> profile(
         heap_profiler->GetAllocationProfile());
@@ -3112,7 +3112,7 @@ TEST(SamplingHeapProfilerLeftTrimming) {
       "      a.shift();\n"
       "}\n");
 
-  CcTest::heap()->CollectGarbage(v8::internal::NEW_SPACE);
+  CcTest::CollectGarbage(v8::internal::NEW_SPACE);
   // Should not crash.
 
   heap_profiler->StopSamplingHeapProfiler();