Remove more boilerplate (missed after rebase)

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 4fb49b8e087bc96f2c1a66613e937deeb3496bed..1796c126b81e65ade59ffe2fb19a84bf6678f694 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -258,9 +258,7 @@ HValue* CodeStubGraphBuilder<KeyedStoreFastElementStub>::BuildCodeStub() {
 
 
 Handle<Code> KeyedStoreFastElementStub::GenerateCode() {
-  CodeStubGraphBuilder<KeyedStoreFastElementStub> builder(this);
-  LChunk* chunk = OptimizeGraph(builder.CreateGraph());
-  return chunk->Codegen(Code::COMPILED_STUB);
+  return DoGenerateCode(this);
 }
 
 
@@ -323,6 +321,11 @@ HValue* CodeStubGraphBuilder<TransitionElementsKindStub>::BuildCodeStub() {
 }
 
 
+Handle<Code> TransitionElementsKindStub::GenerateCode() {
+  return DoGenerateCode(this);
+}
+
+
 template <>
 HValue* CodeStubGraphBuilder<ArrayNoArgumentConstructorStub>::BuildCodeStub() {
   HInstruction* deopt = new(zone()) HSoftDeoptimize();
@@ -347,11 +350,6 @@ HValue* CodeStubGraphBuilder<ArraySingleArgumentConstructorStub>::
 }
 
 
-Handle<Code> TransitionElementsKindStub::GenerateCode() {
-  return DoGenerateCode(this);
-}
-
-
 Handle<Code> ArraySingleArgumentConstructorStub::GenerateCode() {
   return DoGenerateCode(this);
 }