Move input/output counts directly into Operators, simplying OperatorProperties.

src/compiler/machine-operator.h

Index: src/compiler/machine-operator.h
diff --git a/src/compiler/machine-operator.h b/src/compiler/machine-operator.h
index 19514460792c6017f007efcfd9b8a431788db741..93e8fb7deeaffd1b8e0376d08dc02f27c93a497b 100644
--- a/src/compiler/machine-operator.h
+++ b/src/compiler/machine-operator.h
@@ -13,7 +13,7 @@ namespace internal {
 namespace compiler {
 
 // Forward declarations.
-struct MachineOperatorBuilderImpl;
+struct MachineOperatorGlobalCache;
 class Operator;
 
 
@@ -206,7 +206,7 @@ class MachineOperatorBuilder FINAL {
 #undef PSEUDO_OP_LIST
 
  private:
-  const MachineOperatorBuilderImpl& impl_;
+  const MachineOperatorGlobalCache& cache_;
   const MachineType word_;
   const Flags flags_;
 };