[stubs] Unify the type conversion call interface descriptors.

src/arm/interface-descriptors-arm.cc

Index: src/arm/interface-descriptors-arm.cc
diff --git a/src/arm/interface-descriptors-arm.cc b/src/arm/interface-descriptors-arm.cc
index 6f0845c2169c2438f3f68ef425af5930e0362bdd..e6a8119976454555d38f10bf9b46d10ad8934a2f 100644
--- a/src/arm/interface-descriptors-arm.cc
+++ b/src/arm/interface-descriptors-arm.cc
@@ -111,35 +111,8 @@ void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
 }
 
 
-void ToNumberDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-// static
-const Register ToLengthDescriptor::ReceiverRegister() { return r0; }
-
-
-// static
-const Register ToStringDescriptor::ReceiverRegister() { return r0; }
-
-
-// static
-const Register ToNameDescriptor::ReceiverRegister() { return r0; }
-
-
 // static
-const Register ToObjectDescriptor::ReceiverRegister() { return r0; }
-
-
-void NumberToStringDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
+const Register TypeConversionDescriptor::ArgumentRegister() { return r0; }
 
 void TypeofDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -319,13 +292,6 @@ void CompareDescriptor::InitializePlatformSpecific(
 }
 
 
-void ToBooleanDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void BinaryOpDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r1, r0};