Reuse the nonexistent handler frontend for transition handlers

src/mips64/stub-cache-mips64.cc

Index: src/mips64/stub-cache-mips64.cc
diff --git a/src/mips64/stub-cache-mips64.cc b/src/mips64/stub-cache-mips64.cc
index ab891823426c1d8564f8d7522c3c6b6e376de3f6..affb10fc55142c3df7517d4ce3bfb558cc785180 100644
--- a/src/mips64/stub-cache-mips64.cc
+++ b/src/mips64/stub-cache-mips64.cc
@@ -281,19 +281,6 @@ void PropertyHandlerCompiler::GenerateCheckPropertyCell(
 }
 
 
-void NamedStoreHandlerCompiler::GenerateNegativeHolderLookup(
-    MacroAssembler* masm, Handle<JSObject> holder, Register holder_reg,
-    Handle<Name> name, Label* miss) {
-  if (holder->IsJSGlobalObject()) {
-    GenerateCheckPropertyCell(
-        masm, Handle<JSGlobalObject>::cast(holder), name, scratch1(), miss);
-  } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) {
-    GenerateDictionaryNegativeLookup(
-        masm, miss, holder_reg, name, scratch1(), scratch2());
-  }
-}
-
-
 // Generate StoreTransition code, value is passed in a0 register.
 // After executing generated code, the receiver_reg and name_reg
 // may be clobbered.
@@ -1131,19 +1118,6 @@ Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor(
 }
 
 
-Handle<Code> NamedLoadHandlerCompiler::CompileLoadNonexistent(
-    Handle<Name> name) {
-  NonexistentFrontend(name);
-
-  // Return undefined if maps of the full prototype chain is still the same.
-  __ LoadRoot(v0, Heap::kUndefinedValueRootIndex);
-  __ Ret();
-
-  // Return the generated code.
-  return GetCode(kind(), Code::FAST, name);
-}
-
-
 Register* PropertyAccessCompiler::load_calling_convention() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
   Register receiver = LoadIC::ReceiverRegister();