Convert Linkage to use MachineSignature.

test/cctest/compiler/graph-builder-tester.cc

Index: test/cctest/compiler/graph-builder-tester.cc
diff --git a/test/cctest/compiler/graph-builder-tester.cc b/test/cctest/compiler/graph-builder-tester.cc
index fb6e4a28ce9a8d1ff795c89c72d23618cd37d7ab..dd1ca76d6bef29aeff57232b7ba56f58cfde8ba3 100644
--- a/test/cctest/compiler/graph-builder-tester.cc
+++ b/test/cctest/compiler/graph-builder-tester.cc
@@ -9,10 +9,8 @@ namespace v8 {
 namespace internal {
 namespace compiler {
 
-MachineCallHelper::MachineCallHelper(Zone* zone,
-                                     MachineCallDescriptorBuilder* builder)
-    : CallHelper(zone->isolate()),
-      call_descriptor_builder_(builder),
+MachineCallHelper::MachineCallHelper(Zone* zone, MachineSignature* machine_sig)
+    : CallHelper(zone->isolate(), machine_sig),
       parameters_(NULL),
       graph_(NULL) {}
 
@@ -35,7 +33,8 @@ byte* MachineCallHelper::Generate() {
   if (code_.is_null()) {
     Zone* zone = graph_->zone();
     CompilationInfo info(zone->isolate(), zone);
-    Linkage linkage(&info, call_descriptor_builder_->BuildCallDescriptor(zone));
+    Linkage linkage(&info,
+                    Linkage::GetSimplifiedCDescriptor(zone, machine_sig_));
     Pipeline pipeline(&info);
     code_ = pipeline.GenerateCodeForMachineGraph(&linkage, graph_);
   }
@@ -43,17 +42,6 @@ byte* MachineCallHelper::Generate() {
 }
 
 
-void MachineCallHelper::VerifyParameters(int parameter_count,
-                                         MachineType* parameter_types) {
-  CHECK_EQ(this->parameter_count(), parameter_count);
-  const MachineType* expected_types =
-      call_descriptor_builder_->parameter_types();
-  for (int i = 0; i < parameter_count; i++) {
-    CHECK_EQ(expected_types[i], parameter_types[i]);
-  }
-}
-
-
 Node* MachineCallHelper::Parameter(int offset) {
   DCHECK_NE(NULL, parameters_);
   DCHECK(0 <= offset && offset < parameter_count());