[interpreter] Remove SharedFunctionInfo::IsInterpreted.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 60a140b79c58f0fda45e1126dc97d0669ed142c0..4f5855440243d9b7937bdb3d2c09d066fd40c978 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5901,7 +5901,7 @@ DebugInfo* SharedFunctionInfo::GetDebugInfo() {
 
 
 bool SharedFunctionInfo::HasDebugCode() {
-  return IsInterpreted() ||
+  return HasBytecodeArray() ||
          (code()->kind() == Code::FUNCTION && code()->has_debug_break_slots());
 }
 
@@ -5925,16 +5925,6 @@ bool SharedFunctionInfo::HasBytecodeArray() {
   return function_data()->IsBytecodeArray();
 }
 
-bool SharedFunctionInfo::IsInterpreted() {
-  // Currently, having bytecode does not mean the function is actually being
-  // interpreted. However, the debugger has to know precisely what is going to
-  // be executed.
-  // TODO(yangguo,mstarzinger): make this a synonym of HasBytecodeArray().
-  return code() ==
-         GetIsolate()->builtins()->builtin(
-             Builtins::kInterpreterEntryTrampoline);
-}
-
 BytecodeArray* SharedFunctionInfo::bytecode_array() {
   DCHECK(HasBytecodeArray());
   return BytecodeArray::cast(function_data());