Revert of Reland: Remove register index/code indirection

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 7b847974fdc775ef619336a71603200c25c970fc..7e55833b458cc469b4c100812afc1f8aed007ce2 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -11,7 +11,6 @@
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/full-codegen/full-codegen.h"
-#include "src/register-configuration.h"
 #include "src/safepoint-table.h"
 #include "src/scopeinfo.h"
 #include "src/string-stream.h"
@@ -659,9 +658,8 @@
   if (safepoint_entry.has_doubles()) {
     // Number of doubles not known at snapshot time.
     DCHECK(!isolate()->serializer_enabled());
-    parameters_base += RegisterConfiguration::ArchDefault()
-                           ->num_allocatable_double_registers() *
-                       kDoubleSize / kPointerSize;
+    parameters_base += DoubleRegister::NumAllocatableRegisters() *
+        kDoubleSize / kPointerSize;
   }
 
   // Visit the registers that contain pointers if any.