Provide named links to code objects in heap snapshot.

test/cctest/test-heap-profiler.cc

Index: test/cctest/test-heap-profiler.cc
diff --git a/test/cctest/test-heap-profiler.cc b/test/cctest/test-heap-profiler.cc
index 079f4a43641045ca91b0acec997ed51a79715d5c..c5c88bfe687cc7a289d716ab362264a7d412431d 100644
--- a/test/cctest/test-heap-profiler.cc
+++ b/test/cctest/test-heap-profiler.cc
@@ -1963,3 +1963,21 @@ TEST(AllocationSitesAreVisible) {
   CHECK_EQ(v8::Integer::New(2), array->Get(v8::Integer::New(1)));
   CHECK_EQ(v8::Integer::New(1), array->Get(v8::Integer::New(2)));
 }
+
+
+TEST(JSFunctionHasCodeLink) {
+  LocalContext env;
+  v8::HandleScope scope(env->GetIsolate());
+  v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
+  CompileRun("function foo(x, y) { return x + y; }\n");
+  const v8::HeapSnapshot* snapshot =
+      heap_profiler->TakeHeapSnapshot(v8_str("snapshot"));
+  CHECK(ValidateSnapshot(snapshot, 3));

[yurys, 2013/07/17 10:24:01]

Could you make 3 a default parameter please.

+  const v8::HeapGraphNode* global = GetGlobalObject(snapshot);
+  const v8::HeapGraphNode* foo_func =
+      GetProperty(global, v8::HeapGraphEdge::kProperty, "foo");
+  CHECK_NE(NULL, foo_func);
+  const v8::HeapGraphNode* code =
+      GetProperty(foo_func, v8::HeapGraphEdge::kInternal, "code");
+  CHECK_NE(NULL, code);
+}