[stubs] Port StoreTransitionStub and ElementsTransitionAndStoreStub to TurboFan.

src/mips/interface-descriptors-mips.cc

Index: src/mips/interface-descriptors-mips.cc
diff --git a/src/mips/interface-descriptors-mips.cc b/src/mips/interface-descriptors-mips.cc
index 1001f631bbb6344aa3d20ef01a8e0ce0e9e8ebb5..cef0b77919e5a095911bdfe93a26ea42bd8af6dc 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.cc
@@ -40,13 +40,9 @@ const Register StoreDescriptor::SlotRegister() { return t0; }
 
 const Register StoreWithVectorDescriptor::VectorRegister() { return a3; }
 
-const Register VectorStoreTransitionDescriptor::SlotRegister() { return t0; }
-const Register VectorStoreTransitionDescriptor::VectorRegister() { return a3; }
-const Register VectorStoreTransitionDescriptor::MapRegister() { return t1; }
-
-
-const Register StoreTransitionDescriptor::MapRegister() { return a3; }
-
+const Register StoreTransitionDescriptor::SlotRegister() { return t0; }
+const Register StoreTransitionDescriptor::VectorRegister() { return a3; }
+const Register StoreTransitionDescriptor::MapRegister() { return t1; }
 
 const Register StoreGlobalViaContextDescriptor::SlotRegister() { return a2; }
 const Register StoreGlobalViaContextDescriptor::ValueRegister() { return a0; }