Move MachineRepresentation to machine-type.h and rename to MachineType in preparation for merging i…

src/compiler/arm/linkage-arm.cc

Index: src/compiler/arm/linkage-arm.cc
diff --git a/src/compiler/arm/linkage-arm.cc b/src/compiler/arm/linkage-arm.cc
index 6bea210ec5f077111c5d6655f4e22c00cb7c761f..3b5d5f7d0f2d59949966f83030b760f927bc34a6 100644
--- a/src/compiler/arm/linkage-arm.cc
+++ b/src/compiler/arm/linkage-arm.cc
@@ -57,8 +57,8 @@ CallDescriptor* Linkage::GetStubCallDescriptor(
 
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(
-    Zone* zone, int num_params, MachineRepresentation return_type,
-    const MachineRepresentation* param_types) {
+    Zone* zone, int num_params, MachineType return_type,
+    const MachineType* param_types) {
   return LinkageHelper::GetSimplifiedCDescriptor<LinkageHelperTraits>(
       zone, num_params, return_type, param_types);
 }