Use IC register definitions in platform files.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 77bf4a0dea7eb787f1c044b47c46c48b12ef011e..443ef486cbd551ba03bb448c7873a54570b96f53 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -87,34 +87,6 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
-void LoadFieldStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  Register registers[] = { r0 };
-  descriptor->Initialize(ARRAY_SIZE(registers), registers);
-}
-
-
-void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  Register registers[] = { r1 };
-  descriptor->Initialize(ARRAY_SIZE(registers), registers);
-}
-
-
-void StringLengthStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  Register registers[] = { r0, r2 };
-  descriptor->Initialize(ARRAY_SIZE(registers), registers);
-}
-
-
-void KeyedStringLengthStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  Register registers[] = { r1, r0 };
-  descriptor->Initialize(ARRAY_SIZE(registers), registers);
-}
-
-
 void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   Register registers[] = { r2, r1, r0 };