[Interpreter] Support top-level code.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 95e0ae5403d6a0279d0b55fd1c1b9c0ca13f7251..72526327d94954c293fcce88b838c99301efe602 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7287,6 +7287,8 @@ class JSFunction: public JSObject {
   inline int NumberOfLiterals();
 
   // Used for flags such as --hydrogen-filter.
+  // TODO(rmcilroy/mstarzinger): Move this back to JSFunction when compiler.cc
+  // is refactored to allow use of JSFunction::PassesFilter for top-level code.
   bool PassesFilter(const char* raw_filter);
 
   // The function's name if it is configured, otherwise shared function info
@@ -8683,6 +8685,9 @@ class String: public Name {
   // For use during stack traces.  Performs rudimentary sanity check.
   bool LooksValid();
 
+  // Used for flags such as --hydrogen-filter.
+  bool PassesFilter(const char* raw_filter);
+
   // Dispatched behavior.
   void StringShortPrint(StringStream* accumulator);
   void PrintUC16(std::ostream& os, int start = 0, int end = -1);  // NOLINT