Load the native call wrapper via Thread.

runtime/vm/assembler_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 1637 matching lines @@
 }
 
 
 void Assembler::LoadUniqueObject(Register rd,
                                  const Object& object,
                                  Condition cond) {
   LoadObjectHelper(rd, object, cond, /* is_unique = */ true, PP);
 }
 
 
-void Assembler::LoadExternalLabel(Register rd,
-                                  const ExternalLabel* label,
-                                  Patchability patchable,
-                                  Condition cond) {
-  const int32_t offset = ObjectPool::element_offset(
-      object_pool_wrapper_.FindExternalLabel(label, patchable));
-  LoadWordFromPoolOffset(rd, offset - kHeapObjectTag, PP, cond);
-}
-
-
 void Assembler::LoadFunctionFromCalleePool(Register dst,
                                            const Function& function,
                                            Register new_pp) {
   const int32_t offset =
       ObjectPool::element_offset(object_pool_wrapper_.FindObject(function));
   LoadWordFromPoolOffset(dst, offset - kHeapObjectTag, new_pp, AL);
 }
 
 
 void Assembler::LoadNativeEntry(Register rd,
@@ skipping 2017 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM