[interpreter] Add basic framework for bytecode handler code generation.

src/compiler/raw-machine-assembler.h

Index: src/compiler/raw-machine-assembler.h
diff --git a/src/compiler/raw-machine-assembler.h b/src/compiler/raw-machine-assembler.h
index 36299440d681ac2550ed7e336741e08b94fe92f4..b8c3992ce0ba1582ef8db1403423406d614a1a72 100644
--- a/src/compiler/raw-machine-assembler.h
+++ b/src/compiler/raw-machine-assembler.h
@@ -5,6 +5,7 @@
 #ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_
 
+#include "src/assembler.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph-builder.h"
 #include "src/compiler/linkage.h"
@@ -12,7 +13,6 @@
 #include "src/compiler/node.h"
 #include "src/compiler/operator.h"
 
-
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ -511,21 +511,22 @@ class RawMachineAssembler : public GraphBuilder {
   // MachineAssembler is invalid after export.
   Schedule* Export();
 
+  Schedule* schedule() {
+    DCHECK(ScheduleValid());
+    return schedule_;
+  }
+
+  BasicBlock* CurrentBlock();
+
  protected:
   Node* MakeNode(const Operator* op, int input_count, Node** inputs,
                  bool incomplete) final;
 
   bool ScheduleValid() { return schedule_ != NULL; }
 
-  Schedule* schedule() {
-    DCHECK(ScheduleValid());
-    return schedule_;
-  }
-
  private:
   BasicBlock* Use(Label* label);
   BasicBlock* EnsureBlock(Label* label);
-  BasicBlock* CurrentBlock();
 
   Schedule* schedule_;
   MachineOperatorBuilder machine_;