[Interpreter] Add BytecodeArray class and add to SharedFunctionInfo.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index de451b54bb0d77ffb3e86791896a1e20129654ab..998e628191446379a26669fe4214ecd5a34705ef 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -43,11 +43,16 @@ class Bytecodes {
   // Returns true if the bytecode is a function return bytecode.
   static const bool IsReturn(Bytecode bytecode);
 
+  // The maximum number of arguments across all bytecodes.
+  static const int kMaximumNumberOfArguments = 1;
+
+  // Maximum size of a bytecode and its arguments.
+  static const int kMaximumSize = 1 + kMaximumNumberOfArguments;
+
  private:
   Bytecodes() { UNREACHABLE(); }
 };
 
-
 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode);
 
 }  // namespace interpreter