Delete builtins that became unused after source loading was refactored.

runtime/bin/dartutils.cc

Index: runtime/bin/dartutils.cc
diff --git a/runtime/bin/dartutils.cc b/runtime/bin/dartutils.cc
index dd13e6d16c5a9dc068a2c6bc07526edb87bacd54..ff8b53d48d260f7ca00dd1cd6746e623291a670d 100644
--- a/runtime/bin/dartutils.cc
+++ b/runtime/bin/dartutils.cc
@@ -545,122 +545,6 @@ Dart_Handle DartUtils::LoadScript(const char* script_uri) {
 }
 
 
-// Callback function, gets called from asynchronous script and library
-// reading code when there is an i/o error.
-void FUNCTION_NAME(Builtin_AsyncLoadError)(Dart_NativeArguments args) {
-  //  Dart_Handle source_uri = Dart_GetNativeArgument(args, 0);
-  Dart_Handle library_uri = Dart_GetNativeArgument(args, 1);
-  Dart_Handle error = Dart_GetNativeArgument(args, 2);
-
-  Dart_Handle library = Dart_LookupLibrary(library_uri);
-  // If a library with the given uri exists, give it a chance to handle
-  // the error. If the load requests stems from a deferred library load,
-  // an IO error is not fatal.
-  if (!Dart_IsError(library)) {
-    ASSERT(Dart_IsLibrary(library));
-    Dart_Handle res = Dart_LibraryHandleError(library, error);
-    if (Dart_IsNull(res)) {
-      return;
-    }
-  }
-  // The error was not handled above. Propagate an unhandled exception.
-  error = Dart_NewUnhandledExceptionError(error);
-  Dart_PropagateError(error);
-}
-
-
-// Callback function that gets called from dartutils when the library
-// source has been read. Loads the library or part into the VM.
-void FUNCTION_NAME(Builtin_LoadSource)(Dart_NativeArguments args) {
-  Dart_Handle tag_in = Dart_GetNativeArgument(args, 0);
-  Dart_Handle resolved_script_uri = Dart_GetNativeArgument(args, 1);
-  Dart_Handle library_uri = Dart_GetNativeArgument(args, 2);
-  Dart_Handle source_data = Dart_GetNativeArgument(args, 3);
-
-  Dart_TypedData_Type type = Dart_GetTypeOfExternalTypedData(source_data);
-  bool external = type == Dart_TypedData_kUint8;
-  uint8_t* data = NULL;
-  intptr_t num_bytes;
-  Dart_Handle result = Dart_TypedDataAcquireData(
-      source_data, &type, reinterpret_cast<void**>(&data), &num_bytes);
-  if (Dart_IsError(result)) Dart_PropagateError(result);
-
-  uint8_t* buffer_copy = NULL;
-  if (!external) {
-    // If the buffer is not external, take a copy.
-    buffer_copy = reinterpret_cast<uint8_t*>(malloc(num_bytes));
-    memmove(buffer_copy, data, num_bytes);
-    data = buffer_copy;
-  }
-
-  Dart_TypedDataReleaseData(source_data);
-
-  if (Dart_IsNull(tag_in) && Dart_IsNull(library_uri)) {
-    // Entry file. Check for payload and load accordingly.
-    const uint8_t* payload = data;
-    const DartUtils::MagicNumber payload_type =
-        DartUtils::SniffForMagicNumber(&payload, &num_bytes);
-
-    if (payload_type == DartUtils::kSnapshotMagicNumber) {
-      result = Dart_LoadScriptFromSnapshot(payload, num_bytes);
-    } else if (payload_type == DartUtils::kKernelMagicNumber) {
-      UNREACHABLE();
-    } else {
-      Dart_Handle source = Dart_NewStringFromUTF8(data, num_bytes);
-      if (Dart_IsError(source)) {
-        result = DartUtils::NewError("%s is not a valid UTF-8 script",
-                                     resolved_script_uri);
-      } else {
-        result = Dart_LoadScript(resolved_script_uri, Dart_Null(),
-                                 source, 0, 0);
-      }
-    }
-  } else {
-    int64_t tag = DartUtils::GetIntegerValue(tag_in);
-
-    Dart_Handle source = Dart_NewStringFromUTF8(data, num_bytes);
-    if (Dart_IsError(source)) {
-      result = DartUtils::NewError("%s is not a valid UTF-8 script",
-                                   resolved_script_uri);
-    } else {
-      if (tag == Dart_kImportTag) {
-        result = Dart_LoadLibrary(resolved_script_uri, Dart_Null(),
-                                  source, 0, 0);
-      } else {
-        ASSERT(tag == Dart_kSourceTag);
-        Dart_Handle library = Dart_LookupLibrary(library_uri);
-        if (Dart_IsError(library)) {
-          Dart_PropagateError(library);
-        }
-        result = Dart_LoadSource(library, resolved_script_uri, Dart_Null(),
-                                 source, 0, 0);
-      }
-    }
-  }
-
-  if (buffer_copy != NULL) {
-    free(buffer_copy);
-  }
-
-  if (Dart_IsError(result)) {
-    Dart_PropagateError(result);
-  }
-}
-
-
-// Callback function that gets called from dartutils when there are
-// no more outstanding load requests.
-void FUNCTION_NAME(Builtin_DoneLoading)(Dart_NativeArguments args) {
-  Dart_Handle res = Dart_FinalizeLoading(true);
-  if (Dart_IsError(res)) {
-    // TODO(hausner): If compilation/loading errors are supposed to
-    // be observable by the program, we need to mark the bad library
-    // with the error instead of propagating it.
-    Dart_PropagateError(res);
-  }
-}
-
-
 void FUNCTION_NAME(Builtin_GetCurrentDirectory)(Dart_NativeArguments args) {
   const char* current = Directory::Current();
   if (current != NULL) {