Remove NoSafepointScope from Dart_IsolateData(Dart_Isolate).

runtime/vm/dart_api_impl.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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "lib/stacktrace.h"
@@ skipping 1307 matching lines @@
 DART_EXPORT void* Dart_CurrentIsolateData() {
   Isolate* isolate = Isolate::Current();
   CHECK_ISOLATE(isolate);
   NoSafepointScope no_safepoint_scope;
   return isolate->init_callback_data();
 }
 
 
 DART_EXPORT void* Dart_IsolateData(Dart_Isolate isolate) {
   if (isolate == NULL) {
-    FATAL1("%s expects argument 'isolate' to be non-null.",  CURRENT_FUNC);
+    FATAL1("%s expects argument 'isolate' to be non-null.", CURRENT_FUNC);
   }
   // TODO(16615): Validate isolate parameter.
-  NoSafepointScope no_safepoint_scope;
   Isolate* iso = reinterpret_cast<Isolate*>(isolate);
   return iso->init_callback_data();
 }
 
 
 DART_EXPORT Dart_Handle Dart_DebugName() {
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();
   return Api::NewHandle(T, String::New(I->name()));
 }
@@ skipping 5132 matching lines @@
 
 DART_EXPORT bool Dart_IsPrecompiledRuntime() {
 #if defined(DART_PRECOMPILED_RUNTIME)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace dart