Move register conventions out of the IC classes.

src/x64/debug-x64.cc

Index: src/x64/debug-x64.cc
diff --git a/src/x64/debug-x64.cc b/src/x64/debug-x64.cc
index fe78e372145dd715bddef5c0028e77fb7e4d846b..5ad5b587661c473679ae94b3918944c85e095dbb 100644
--- a/src/x64/debug-x64.cc
+++ b/src/x64/debug-x64.cc
@@ -162,17 +162,17 @@ void DebugCodegen::GenerateCallICStubDebugBreak(MacroAssembler* masm) {
 
 void DebugCodegen::GenerateLoadICDebugBreak(MacroAssembler* masm) {
   // Register state for IC load call (from ic-x64.cc).
-  Register receiver = LoadIC::ReceiverRegister();
-  Register name = LoadIC::NameRegister();
+  Register receiver = LoadConvention::ReceiverRegister();
+  Register name = LoadConvention::NameRegister();
   Generate_DebugBreakCallHelper(masm, receiver.bit() | name.bit(), 0, false);
 }
 
 
 void DebugCodegen::GenerateStoreICDebugBreak(MacroAssembler* masm) {
   // Register state for IC store call (from ic-x64.cc).
-  Register receiver = StoreIC::ReceiverRegister();
-  Register name = StoreIC::NameRegister();
-  Register value = StoreIC::ValueRegister();
+  Register receiver = StoreConvention::ReceiverRegister();
+  Register name = StoreConvention::NameRegister();
+  Register value = StoreConvention::ValueRegister();
   Generate_DebugBreakCallHelper(
       masm, receiver.bit() | name.bit() | value.bit(), 0, false);
 }
@@ -186,9 +186,9 @@ void DebugCodegen::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
 
 void DebugCodegen::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
   // Register state for keyed IC store call (from ic-x64.cc).
-  Register receiver = KeyedStoreIC::ReceiverRegister();
-  Register name = KeyedStoreIC::NameRegister();
-  Register value = KeyedStoreIC::ValueRegister();
+  Register receiver = StoreConvention::ReceiverRegister();
+  Register name = StoreConvention::NameRegister();
+  Register value = StoreConvention::ValueRegister();
   Generate_DebugBreakCallHelper(
       masm, receiver.bit() | name.bit() | value.bit(), 0, false);
 }