[Interpreter] Enable runtime profiler support for Ignition.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index c2bdf4836604b02e604ef9e163a57d840fa8de39..e6c425ea47a3e2bf9e08413bf5f4c504efe9c8f1 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4461,6 +4461,10 @@ class BytecodeArray : public FixedArrayBase {
   inline int parameter_count() const;
   inline void set_parameter_count(int number_of_parameters);
 
+  // Accessors for profiling count.
+  inline int profiling_count() const;
+  inline void set_profiling_count(int profiling_count_budget);
+
   // Accessors for the constant pool.
   DECL_ACCESSORS(constant_pool, FixedArray)
 
@@ -4489,7 +4493,8 @@ class BytecodeArray : public FixedArrayBase {
   // Layout description.
   static const int kFrameSizeOffset = FixedArrayBase::kHeaderSize;
   static const int kParameterSizeOffset = kFrameSizeOffset + kIntSize;
-  static const int kConstantPoolOffset = kParameterSizeOffset + kIntSize;
+  static const int kProfilingCountOffset = kParameterSizeOffset + kIntSize;
+  static const int kConstantPoolOffset = kProfilingCountOffset + kIntSize;
   static const int kHandlerTableOffset = kConstantPoolOffset + kPointerSize;
   static const int kSourcePositionTableOffset =
       kHandlerTableOffset + kPointerSize;