[Interpreter] Enable runtime profiler support for Ignition.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index 70f841656c41bad410e69647cc0306972ca18f8a..9756020ecf9992aeb9b348fa693e5712b8dc9080 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -49,6 +49,13 @@ void Interpreter::IterateDispatchTable(ObjectVisitor* v) {
                    &dispatch_table_[0] + kDispatchTableSize);
 }
 
+// static
+int Interpreter::InterruptBudget() {
+  // TODO(ignition): Tune code size multiplier.
+  const int kCodeSizeMultiplier = 32;
+  return FLAG_interrupt_budget * kCodeSizeMultiplier;
+}
+
 bool Interpreter::MakeBytecode(CompilationInfo* info) {
   if (FLAG_print_bytecode || FLAG_print_source || FLAG_print_ast) {
     OFStream os(stdout);