[Interpreter] Move context chain search loop to handler

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index 833e26b5a2e6896a9c63eecb34207c472fe6ba4f..825a98db2047b5c32b0e66ab4d93776bf791884b 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -94,11 +94,15 @@ class BytecodeArrayBuilder final : public ZoneObject {
                                     int feedback_slot,
                                     LanguageMode language_mode);
 
-  // Load the object at |slot_index| in |context| into the accumulator.
-  BytecodeArrayBuilder& LoadContextSlot(Register context, int slot_index);
-
-  // Stores the object in the accumulator into |slot_index| of |context|.
-  BytecodeArrayBuilder& StoreContextSlot(Register context, int slot_index);
+  // Load the object at |slot_index| at |depth| in the context chain starting
+  // with |context| into the accumulator.
+  BytecodeArrayBuilder& LoadContextSlot(Register context, int slot_index,
+                                        int depth);
+
+  // Stores the object in the accumulator into |slot_index| at |depth| in the
+  // context chain starting with |context|.
+  BytecodeArrayBuilder& StoreContextSlot(Register context, int slot_index,
+                                         int depth);
 
   // Register-accumulator transfers.
   BytecodeArrayBuilder& LoadAccumulatorWithRegister(Register reg);