Add HasProperty code stub that tries simple lookups or jumps to runtime otherwise.

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 17e8aecb172b464e8260c78c5f0f5f050b2c56d3..d0056779a5fadfd54fc3ad758fa90deca35486bb 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.cc
@@ -68,6 +68,8 @@ const Register MathPowIntegerDescriptor::exponent() {
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return a0; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return a3; }
 
+const Register HasPropertyDescriptor::ObjectRegister() { return a0; }
+const Register HasPropertyDescriptor::KeyRegister() { return a3; }
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {