Reland of "Store SharedFunctionInfos of a Script in a FixedArray indexed by their ID"

test/cctest/parsing/test-parse-decision.cc

Index: test/cctest/parsing/test-parse-decision.cc
diff --git a/test/cctest/parsing/test-parse-decision.cc b/test/cctest/parsing/test-parse-decision.cc
index ed90fac555334b7f8d96903832119ec3d0d1b5eb..61592364453600e0043ff4f0b0c280d748439f4b 100644
--- a/test/cctest/parsing/test-parse-decision.cc
+++ b/test/cctest/parsing/test-parse-decision.cc
@@ -30,9 +30,9 @@ void GetTopLevelFunctionInfo(
   Handle<JSFunction> toplevel_fn = v8::Utils::OpenHandle(*script);
   Handle<Script> i_script =
       handle(Script::cast(toplevel_fn->shared()->script()));
+  SharedFunctionInfo::ScriptIterator iterator(i_script);
 
-  WeakFixedArray::Iterator iter(i_script->shared_function_infos());
-  while (SharedFunctionInfo* shared = iter.Next<SharedFunctionInfo>()) {
+  while (SharedFunctionInfo* shared = iterator.Next()) {
     std::unique_ptr<char[]> name = String::cast(shared->name())->ToCString();
     is_compiled->insert(std::make_pair(name.get(), shared->is_compiled()));
   }