[Interpreter] Move context chain search loop to handler

src/interpreter/interpreter-assembler.h

Index: src/interpreter/interpreter-assembler.h
diff --git a/src/interpreter/interpreter-assembler.h b/src/interpreter/interpreter-assembler.h
index 7e71cf220f07733a9491f6142e4725f9ceb3895d..779e6a89cb1da83c00b510f9e4fc70824431a108 100644
--- a/src/interpreter/interpreter-assembler.h
+++ b/src/interpreter/interpreter-assembler.h
@@ -53,6 +53,10 @@ class InterpreterAssembler : public CodeStubAssembler {
   compiler::Node* GetContext();
   void SetContext(compiler::Node* value);
 
+  // Context at |depth| from the given |root_context|
+  compiler::Node* GetContextAtDepth(compiler::Node* root_context,

[Michael Starzinger, 2016/09/13 09:53:08]

nit: Likewise about "root_context" vs "context" here.

[Leszek Swirski, 2016/09/13 10:17:51]

Done.

+                                    compiler::Node* depth);
+
   // Number of registers.
   compiler::Node* RegisterCount();