[stubs] Unify the type conversion call interface descriptors.

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index 4e46baee91182abc37a575f220e89445a2004189..88d52973a476b99c6bda2e289244e3cccc4f6195 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -109,35 +109,8 @@ void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
 }
 
 
-void ToNumberDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a0};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
-
-// static
-const Register ToLengthDescriptor::ReceiverRegister() { return a0; }
-
-
-// static
-const Register ToStringDescriptor::ReceiverRegister() { return a0; }
-
-
-// static
-const Register ToNameDescriptor::ReceiverRegister() { return a0; }
-
-
 // static
-const Register ToObjectDescriptor::ReceiverRegister() { return a0; }
-
-
-void NumberToStringDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a0};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
+const Register TypeConversionDescriptor::ArgumentRegister() { return a0; }
 
 void TypeofDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -318,13 +291,6 @@ void CompareDescriptor::InitializePlatformSpecific(
 }
 
 
-void ToBooleanDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a0};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
-
 void BinaryOpDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a1, a0};