Initial GetSample implementation.

test/cctest/test-log-stack-tracer.cc

Index: test/cctest/test-log-stack-tracer.cc
diff --git a/test/cctest/test-log-stack-tracer.cc b/test/cctest/test-log-stack-tracer.cc
index 334a2010532bd3373b7547ede2ff4142ea7988e7..ff86bf095c9b14e2db2a0aedf68c8a347d440e96 100644
--- a/test/cctest/test-log-stack-tracer.cc
+++ b/test/cctest/test-log-stack-tracer.cc
@@ -63,12 +63,11 @@ static bool IsAddressWithinFuncCode(JSFunction* function, Address addr) {
 
 
 static bool IsAddressWithinFuncCode(v8::Local<v8::Context> context,
-                                    const char* func_name,
-                                    Address addr) {
+                                    const char* func_name, void* addr) {
   v8::Local<v8::Value> func = context->Global()->Get(v8_str(func_name));
   CHECK(func->IsFunction());
   JSFunction* js_func = JSFunction::cast(*v8::Utils::OpenHandle(*func));
-  return IsAddressWithinFuncCode(js_func, addr);
+  return IsAddressWithinFuncCode(js_func, static_cast<Address>(addr));
 }