Add support for snapshot loading to Sky

sky/tools/packager/loader.cc

Index: sky/tools/packager/loader.cc
diff --git a/sky/tools/packager/loader.cc b/sky/tools/packager/loader.cc
index 3d82739483dba917e4fffb5c3f006c72ef299ad6..489359da7eac584462b20b869129db12e283530e 100644
--- a/sky/tools/packager/loader.cc
+++ b/sky/tools/packager/loader.cc
@@ -15,9 +15,6 @@
 
 namespace {
 
-static const char kSkyInternalsLibraryName[] = "dart:sky.internals";
-static const char kSkyInternalsURL[] = "package:sky/internals.dart";
-
 std::string Fetch(const std::string& url) {
   base::FilePath path(url);
   std::string source;
@@ -122,14 +119,6 @@ Dart_Handle HandleLibraryTag(Dart_LibraryTag tag,
   return Dart_NewApiError("Unknown library tag.");
 }
 
-void LoadSkyInternals() {
-  DartApiScope api_scope;
-
-  Dart_Handle library_name = StringToDart(kSkyInternalsLibraryName);
-  std::string url = GetLoader().CanonicalizePackageURL(kSkyInternalsURL);
-  LogIfError(Dart_LoadLibrary(library_name, StringToDart(Fetch(url)), 0, 0));
-}
-
 void LoadScript(const std::string& url) {
   LogIfError(
       Dart_LoadScript(StringToDart(url), StringToDart(Fetch(url)), 0, 0));