[Interpreter] Enable runtime profiler support for Ignition.

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index b235f0ae0f9541a22ef575e00336cad23dc38436..345ddd156e4f5d2f00168e7d0b28806352de6c8d 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -33,6 +33,9 @@ class Interpreter {
   // Initializes the interpreter dispatch table.
   void Initialize();
 
+  // Returns the interrupt budget which shoud be used for the profiler counter.
+  static int InterruptBudget();
+
   // Generate bytecode for |info|.
   static bool MakeBytecode(CompilationInfo* info);