[turbofan] First step of Operator refactoring.

src/compiler/linkage.h

Index: src/compiler/linkage.h
diff --git a/src/compiler/linkage.h b/src/compiler/linkage.h
index 296015ca049ec6b57b549f97612d81f9708513cb..f0f14e3c89edcb3f2cf62f380b1cba768ac4dfe7 100644
--- a/src/compiler/linkage.h
+++ b/src/compiler/linkage.h
@@ -54,8 +54,9 @@ class CallDescriptor FINAL : public ZoneObject {
 
   CallDescriptor(Kind kind, int8_t return_count, int16_t parameter_count,
                  int16_t input_count, LinkageLocation* locations,
-                 Operator::Property properties, RegList callee_saved_registers,
-                 Flags flags, const char* debug_name = "")
+                 Operator::Properties properties,
+                 RegList callee_saved_registers, Flags flags,
+                 const char* debug_name = "")
       : kind_(kind),
         return_count_(return_count),
         parameter_count_(parameter_count),
@@ -97,7 +98,7 @@ class CallDescriptor FINAL : public ZoneObject {
   }
 
   // Operator properties describe how this call can be optimized, if at all.
-  Operator::Property properties() const { return properties_; }
+  Operator::Properties properties() const { return properties_; }
 
   // Get the callee-saved registers, if any, across this call.
   RegList CalleeSavedRegisters() { return callee_saved_registers_; }
@@ -112,7 +113,7 @@ class CallDescriptor FINAL : public ZoneObject {
   int16_t parameter_count_;
   int16_t input_count_;
   LinkageLocation* locations_;
-  Operator::Property properties_;
+  Operator::Properties properties_;
   RegList callee_saved_registers_;
   Flags flags_;
   const char* debug_name_;
@@ -149,11 +150,10 @@ class Linkage : public ZoneObject {
   static CallDescriptor* GetJSCallDescriptor(int parameter_count, Zone* zone);
   CallDescriptor* GetRuntimeCallDescriptor(Runtime::FunctionId function,
                                            int parameter_count,
-                                           Operator::Property properties);
-  static CallDescriptor* GetRuntimeCallDescriptor(Runtime::FunctionId function,
-                                                  int parameter_count,
-                                                  Operator::Property properties,
-                                                  Zone* zone);
+                                           Operator::Properties properties);
+  static CallDescriptor* GetRuntimeCallDescriptor(
+      Runtime::FunctionId function, int parameter_count,
+      Operator::Properties properties, Zone* zone);
 
   CallDescriptor* GetStubCallDescriptor(
       CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count = 0,