[test] Remove uses of runtime zone from tests.

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 cb6e3fef393fb0439d3f788dd4c9f5a11f356893..ba4d9a9026cc654a4d4ae7d19e85b34f8c3c4cde 100644
--- a/test/cctest/test-feedback-vector.cc
+++ b/test/cctest/test-feedback-vector.cc
@@ -36,7 +36,7 @@ TEST(VectorStructure) {
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone* zone = isolate->runtime_zone();
+  Zone zone(isolate->allocator());
 
   // Empty vectors are the empty fixed array.
   StaticFeedbackVectorSpec empty;
@@ -47,7 +47,7 @@ TEST(VectorStructure) {
   CHECK(vector->is_empty());
 
   {
-    FeedbackVectorSpec one_slot(zone);
+    FeedbackVectorSpec one_slot(&zone);
     one_slot.AddGeneralSlot();
     vector = NewTypeFeedbackVector(isolate, &one_slot);
     FeedbackVectorHelper helper(vector);
@@ -55,7 +55,7 @@ TEST(VectorStructure) {
   }
 
   {
-    FeedbackVectorSpec one_icslot(zone);
+    FeedbackVectorSpec one_icslot(&zone);
     one_icslot.AddCallICSlot();
     vector = NewTypeFeedbackVector(isolate, &one_icslot);
     FeedbackVectorHelper helper(vector);
@@ -63,7 +63,7 @@ TEST(VectorStructure) {
   }
 
   {
-    FeedbackVectorSpec spec(zone);
+    FeedbackVectorSpec spec(&zone);
     for (int i = 0; i < 3; i++) {
       spec.AddGeneralSlot();
     }
@@ -103,9 +103,9 @@ TEST(VectorICMetadata) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
-  Zone* zone = isolate->runtime_zone();
+  Zone zone(isolate->allocator());
 
-  FeedbackVectorSpec spec(zone);
+  FeedbackVectorSpec spec(&zone);
   // Set metadata.
   for (int i = 0; i < 40; i++) {
     switch (i % 4) {
@@ -158,12 +158,12 @@ TEST(VectorSlotClearing) {
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
-  Zone* zone = isolate->runtime_zone();
+  Zone zone(isolate->allocator());
 
   // We only test clearing FeedbackVectorSlots, not FeedbackVectorSlots.
   // The reason is that FeedbackVectorSlots need a full code environment
   // to fully test (See VectorICProfilerStatistics test below).
-  FeedbackVectorSpec spec(zone);
+  FeedbackVectorSpec spec(&zone);
   for (int i = 0; i < 5; i++) {
     spec.AddGeneralSlot();
   }