[heap] Introduce enum of garbage collection reasons.

test/cctest/test-feedback-vector.cc

Index: test/cctest/test-feedback-vector.cc
diff --git a/test/cctest/test-feedback-vector.cc b/test/cctest/test-feedback-vector.cc
index 4322e746e28881739e2d224ff5100ab187ab60f8..2b6fbf06d9214066333be0dbb5574e96506a1243 100644
--- a/test/cctest/test-feedback-vector.cc
+++ b/test/cctest/test-feedback-vector.cc
@@ -199,8 +199,6 @@ TEST(VectorCallICStates) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-
   // Make sure function f has a call that uses a type feedback slot.
   CompileRun(
       "function foo() { return 17; }"
@@ -219,7 +217,7 @@ TEST(VectorCallICStates) {
   CHECK_EQ(GENERIC, nexus.StateFromFeedback());
 
   // After a collection, state should remain GENERIC.
-  heap->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
   CHECK_EQ(GENERIC, nexus.StateFromFeedback());
 }
 
@@ -229,8 +227,6 @@ TEST(VectorCallFeedbackForArray) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
-
   // Make sure function f has a call that uses a type feedback slot.
   CompileRun(
       "function foo() { return 17; }"
@@ -246,7 +242,7 @@ TEST(VectorCallFeedbackForArray) {
   CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
   CHECK(nexus.GetFeedback()->IsAllocationSite());
 
-  heap->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
   // It should stay monomorphic even after a GC.
   CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
 }
@@ -304,7 +300,6 @@ TEST(VectorLoadICStates) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
-  Heap* heap = isolate->heap();
 
   // Make sure function f has a call that uses a type feedback slot.
   CompileRun(
@@ -348,7 +343,7 @@ TEST(VectorLoadICStates) {
   CHECK(!nexus.FindFirstMap());
 
   // After a collection, state should not be reset to PREMONOMORPHIC.
-  heap->CollectAllGarbage();
+  CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask);
   CHECK_EQ(MEGAMORPHIC, nexus.StateFromFeedback());
 }