Rework startup-data-util.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 5bb56e6e722af5b415335642e86992229bc90230..c356f96f8141e415ea5d3326953bde2efb458278 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -50,6 +50,7 @@
 #include "src/simulator.h"
 #include "src/snapshot/natives.h"
 #include "src/snapshot/snapshot.h"
+#include "src/startup-data-util.h"
 #include "src/unicode-inl.h"
 #include "src/v8.h"
 #include "src/v8threads.h"
@@ -5393,11 +5394,23 @@ HeapObjectStatistics::HeapObjectStatistics()
       object_count_(0),
       object_size_(0) {}
 
+
 bool v8::V8::InitializeICU(const char* icu_data_file) {
   return i::InitializeICU(icu_data_file);
 }
 
 
+void v8::V8::InitializeExternalStartupData(const char* directory_path) {
+  i::InitializeExternalStartupData(directory_path);
+}
+
+
+void v8::V8::InitializeExternalStartupData(const char* natives_blob,
+                                           const char* snapshot_blob) {
+  i::InitializeExternalStartupData(natives_blob, snapshot_blob);
+}
+
+
 const char* v8::V8::GetVersion() {
   return i::Version::GetVersion();
 }