Support for return-address rewriting profilers.

src/frames.h

Index: src/frames.h
diff --git a/src/frames.h b/src/frames.h
index e550f765ca611a7df7fdd0549fb709399e6a66d0..9071555197060e95c57cfbd434726b61a81f785a 100644
--- a/src/frames.h
+++ b/src/frames.h
@@ -241,6 +241,11 @@ class StackFrame BASE_EMBEDDED {
   virtual void Iterate(ObjectVisitor* v) const = 0;
   static void IteratePc(ObjectVisitor* v, Address* pc_address, Code* holder);
 
+  // Sets a callback function for return-address rewriting profilers
+  // to resolve the location of a return address to the location of the
+  // profiler's stashed return address.
+  static void SetReturnAddressLocationResolver(
+      ReturnAddressLocationResolver resolver);
 
   // Printing support.
   enum PrintMode { OVERVIEW, DETAILS };