Dart: Moves |native| methods to patch files.

sky/engine/core/script/dart_controller.cc

Index: sky/engine/core/script/dart_controller.cc
diff --git a/sky/engine/core/script/dart_controller.cc b/sky/engine/core/script/dart_controller.cc
index b440d420dd189d7a0b181b334a1b4b7520447089..b51e1ba85f68923dd1d67bcbd308388938614132 100644
--- a/sky/engine/core/script/dart_controller.cc
+++ b/sky/engine/core/script/dart_controller.cc
@@ -199,8 +199,8 @@ static Dart_Isolate IsolateCreateCallback(const char* script_uri,
 
   {
     DartApiScope apiScope;
-    Builtin::SetNativeResolver(Builtin::kBuiltinLibrary);
-    Builtin::SetNativeResolver(Builtin::kMojoCoreLibrary);
+    Builtin::PrepareLibrary(Builtin::kBuiltinLibrary);
+    Builtin::PrepareLibrary(Builtin::kMojoCoreLibrary);
   }
 
   Dart_ExitIsolate();
@@ -231,8 +231,7 @@ static void EnsureHandleWatcherStarted() {
 
   // TODO(dart): Call Dart_Cleanup (ensure the handle watcher isolate is closed)
   // during shutdown.
-  Dart_Handle mojo_core_lib =
-      Builtin::LoadAndCheckLibrary(Builtin::kMojoCoreLibrary);
+  Dart_Handle mojo_core_lib = Builtin::GetLibrary(Builtin::kMojoCoreLibrary);
   CHECK(!LogIfError((mojo_core_lib)));
   Dart_Handle handle_watcher_type = Dart_GetType(
       mojo_core_lib,
@@ -268,8 +267,8 @@ void DartController::CreateIsolateFor(Document* document) {
   {
     DartApiScope apiScope;
 
-    Builtin::SetNativeResolver(Builtin::kBuiltinLibrary);
-    Builtin::SetNativeResolver(Builtin::kMojoCoreLibrary);
+    Builtin::PrepareLibrary(Builtin::kBuiltinLibrary);
+    Builtin::PrepareLibrary(Builtin::kMojoCoreLibrary);
     BuiltinNatives::Init();
 
     builtin_sky_ = adoptPtr(new BuiltinSky(dart_state()));