Dart: Removes all but native calls and the handle watcher from the snapshot.

sky/engine/bindings/builtin.cc

Index: sky/engine/bindings/builtin.cc
diff --git a/sky/engine/bindings/builtin.cc b/sky/engine/bindings/builtin.cc
index d6860c0823b38187c9e87eac53205562dee8b448..81fd9d3bce5949ec074efce4135da72cdafaf43f 100644
--- a/sky/engine/bindings/builtin.cc
+++ b/sky/engine/bindings/builtin.cc
@@ -25,10 +25,12 @@ struct LibraryDescriptor {
 
 const LibraryDescriptor kBuiltinLibraries[] = {
     /* { url_, has_natives_, native_symbol_, native_resolver_ } */
-    {"dart:sky_builtin", true, BuiltinNatives::NativeSymbol, BuiltinNatives::NativeLookup},
+    {"dart:sky_builtin",
+     true,
+     BuiltinNatives::NativeSymbol,
+     BuiltinNatives::NativeLookup},
     {"dart:sky", true, skySnapshotSymbolizer, skySnapshotResolver},
-    {"dart:mojo.bindings", false, nullptr, nullptr},
-    {"dart:mojo.core", true, MojoNativeSymbol, MojoNativeLookup},
+    {"dart:mojo.internal", true, MojoNativeSymbol, MojoNativeLookup},
 };
 
 }  // namespace