Revert "Create a RegisterSpec class inside of the IC that provides:"

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 10359a5070342098181665b2561584bc75020292..0287a9a616f4599746a377ddfbc1d136ceb546c4 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -89,6 +89,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = {a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { a2, a1, a0 };
@@ -99,6 +119,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { a0 };