[turbofan] Fix the node matchers.

test/cctest/compiler/test-js-constant-cache.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/typer.h"
 #include "src/types.h"
@@ skipping 18 matching lines @@
                               public JSGraph {
  public:
   JSConstantCacheTester()
       : JSCacheTesterHelper(main_zone()),
         JSGraph(&main_graph_, &main_common_, &main_typer_) {}
 
   Type* upper(Node* node) { return NodeProperties::GetBounds(node).upper; }
 
   Handle<Object> handle(Node* node) {
     CHECK_EQ(IrOpcode::kHeapConstant, node->opcode());
-    return ValueOf<Handle<Object> >(node->op());
+    return OpParameter<Unique<Object> >(node).handle();
   }
 
   Factory* factory() { return main_isolate()->factory(); }
 };
 
 
 TEST(ZeroConstant1) {
   JSConstantCacheTester T;
 
   Node* zero = T.ZeroConstant();
@@ skipping 30 matching lines @@
   Type* t = T.upper(minus_zero);
 
   CHECK(t->Is(Type::Number()));
   CHECK(t->Is(Type::MinusZero()));
   CHECK(!t->Is(Type::Integral32()));
   CHECK(!t->Is(Type::Signed32()));
   CHECK(!t->Is(Type::Unsigned32()));
   CHECK(!t->Is(Type::SignedSmall()));
   CHECK(!t->Is(Type::UnsignedSmall()));
 
-  double zero_value = ValueOf<double>(zero->op());
-  double minus_zero_value = ValueOf<double>(minus_zero->op());
+  double zero_value = OpParameter<double>(zero);
+  double minus_zero_value = OpParameter<double>(minus_zero);
 
   CHECK_EQ(0.0, zero_value);
   CHECK_NE(-0.0, zero_value);
   CHECK_EQ(-0.0, minus_zero_value);
   CHECK_NE(0.0, minus_zero_value);
 }
 
 
 TEST(ZeroConstant2) {
   JSConstantCacheTester T;
@@ skipping 173 matching lines @@
   CHECK(T.upper(T.NullConstant())->Is(Type::Null()));
   CHECK(T.upper(T.ZeroConstant())->Is(Type::Number()));
   CHECK(T.upper(T.OneConstant())->Is(Type::Number()));
   CHECK(T.upper(T.NaNConstant())->Is(Type::NaN()));
 }
 
 
 TEST(ExternalReferences) {
   // TODO(titzer): test canonicalization of external references.
 }