[turbofan] Remove usage of Unique<T> from graph.

test/unittests/compiler/js-type-feedback-unittest.cc

Index: test/unittests/compiler/js-type-feedback-unittest.cc
diff --git a/test/unittests/compiler/js-type-feedback-unittest.cc b/test/unittests/compiler/js-type-feedback-unittest.cc
index 251293ddcf3c5d8e0c510832c50e303aeb42e93e..3f981f74accac054498c7d110d2839fc2635de81 100644
--- a/test/unittests/compiler/js-type-feedback-unittest.cc
+++ b/test/unittests/compiler/js-type-feedback-unittest.cc
@@ -82,8 +82,7 @@ class JSTypeFeedbackTest : public TypedGraphTest {
     Node* vector = UndefinedConstant();
     Node* context = UndefinedConstant();
 
-    Unique<Name> name = Unique<Name>::CreateUninitialized(
-        isolate()->factory()->InternalizeUtf8String(string));
+    Handle<Name> name = isolate()->factory()->InternalizeUtf8String(string);
     const Operator* op = javascript()->LoadGlobal(name, feedback);
     Node* load = graph()->NewNode(op, context, global, vector, context);
     if (mode == JSTypeFeedbackSpecializer::kDeoptimizationEnabled) {
@@ -193,10 +192,9 @@ TEST_F(JSTypeFeedbackTest, JSLoadNamedGlobalConstNumberWithDeoptimization) {
 
 
 TEST_F(JSTypeFeedbackTest, JSLoadNamedGlobalConstString) {
-  Unique<HeapObject> kValue = Unique<HeapObject>::CreateImmovable(
-      isolate()->factory()->undefined_string());
+  Handle<HeapObject> kValue = isolate()->factory()->undefined_string();
   const char* kName = "mango";
-  SetGlobalProperty(kName, kValue.handle());
+  SetGlobalProperty(kName, kValue);
 
   Node* ret = ReturnLoadNamedFromGlobal(
       kName, graph()->start(), graph()->start(),
@@ -211,10 +209,9 @@ TEST_F(JSTypeFeedbackTest, JSLoadNamedGlobalConstString) {
 
 
 TEST_F(JSTypeFeedbackTest, JSLoadNamedGlobalConstStringWithDeoptimization) {
-  Unique<HeapObject> kValue = Unique<HeapObject>::CreateImmovable(
-      isolate()->factory()->undefined_string());
+  Handle<HeapObject> kValue = isolate()->factory()->undefined_string();
   const char* kName = "mango";
-  SetGlobalProperty(kName, kValue.handle());
+  SetGlobalProperty(kName, kValue);
 
   Node* ret = ReturnLoadNamedFromGlobal(
       kName, graph()->start(), graph()->start(),
@@ -277,7 +274,7 @@ TEST_F(JSTypeFeedbackTest, JSLoadNamedGlobalPropertyCellSmiWithDeoptimization) {
 
   HeapObjectMatcher cell(cell_capture.value());
   EXPECT_TRUE(cell.HasValue());
-  EXPECT_TRUE(cell.Value().handle()->IsPropertyCell());
+  EXPECT_TRUE(cell.Value()->IsPropertyCell());
 
   EXPECT_THAT(ret,
               IsReturn(load_field_match, load_field_match, graph()->start()));
@@ -329,7 +326,7 @@ TEST_F(JSTypeFeedbackTest,
 
   HeapObjectMatcher cell(cell_capture.value());
   EXPECT_TRUE(cell.HasValue());
-  EXPECT_TRUE(cell.Value().handle()->IsPropertyCell());
+  EXPECT_TRUE(cell.Value()->IsPropertyCell());
 
   EXPECT_THAT(ret,
               IsReturn(load_field_match, load_field_match, graph()->start()));