Remove Dart_CreateLibrarySnapshot.

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index 2bec82533531ee0781624ea9868de20ec54dcead..2a273b3cd0e7816a9ecb35fcc38f55a043515941 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -1586,9 +1586,9 @@ Dart_CreateSnapshot(uint8_t** vm_isolate_snapshot_buffer,
 }
 
 
-static Dart_Handle createLibrarySnapshot(Dart_Handle library,
-                                         uint8_t** buffer,
-                                         intptr_t* size) {
+DART_EXPORT Dart_Handle Dart_CreateScriptSnapshot(uint8_t** buffer,
+                                                  intptr_t* size) {
+  API_TIMELINE_DURATION;
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();
   if (buffer == NULL) {
@@ -1602,12 +1602,7 @@ static Dart_Handle createLibrarySnapshot(Dart_Handle library,
   if (::Dart_IsError(state)) {
     return state;
   }
-  Library& lib = Library::Handle(Z);
-  if (library == Dart_Null()) {
-    lib ^= I->object_store()->root_library();
-  } else {
-    lib ^= Api::UnwrapHandle(library);
-  }
+  Library& lib = Library::Handle(Z, I->object_store()->root_library());
 
 #if defined(DEBUG)
   I->heap()->CollectAllGarbage();
@@ -1622,21 +1617,6 @@ static Dart_Handle createLibrarySnapshot(Dart_Handle library,
 }
 
 
-DART_EXPORT Dart_Handle Dart_CreateScriptSnapshot(uint8_t** buffer,
-                                                  intptr_t* size) {
-  API_TIMELINE_DURATION;
-  return createLibrarySnapshot(Dart_Null(), buffer, size);
-}
-
-
-DART_EXPORT Dart_Handle Dart_CreateLibrarySnapshot(Dart_Handle library,
-                                                   uint8_t** buffer,
-                                                   intptr_t* size) {
-  API_TIMELINE_DURATION;
-  return createLibrarySnapshot(library, buffer, size);
-}
-
-
 DART_EXPORT void Dart_InterruptIsolate(Dart_Isolate isolate) {
   if (isolate == NULL) {
     FATAL1("%s expects argument 'isolate' to be non-null.", CURRENT_FUNC);