Revert "Rename internal library dart:_collection-dev to dart:_internal."

runtime/vm/isolate_test.cc

 // Copyright (c) 2012, 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 "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/isolate.h"
 #include "vm/unit_test.h"
 
 namespace dart {
@@ skipping 22 matching lines @@
       "  var rp = new RawReceivePort();\n"
       "  rp.sendPort.send(null);\n"
       "  rp.handler = (_) { rp.close(); };\n"
       "}\n";
 
   Dart_Handle test_lib = TestCase::LoadTestScript(kScriptChars, NULL);
 
   // Setup the internal library's 'internalPrint' function.
   // Necessary because asynchronous errors use "print" to print their
   // stack trace.
-  Dart_Handle url = NewString("dart:_collection-dev");
+  Dart_Handle url = NewString("dart:_internal");
   DART_CHECK_VALID(url);
   Dart_Handle internal_lib = Dart_LookupLibrary(url);
   DART_CHECK_VALID(internal_lib);
   Dart_Handle print = Dart_GetField(test_lib, NewString("_nullPrintClosure"));
   Dart_Handle result = Dart_SetField(internal_lib,
                                      NewString("_printClosure"),
                                      print);
 
   DART_CHECK_VALID(result);
 
@@ skipping 19 matching lines @@
   EXPECT(!Dart_IsError(result));
   // Run until all ports to isolate are closed.
   result = Dart_RunLoop();
   EXPECT_ERROR(result, "Null callback specified for isolate creation");
   EXPECT(Dart_ErrorHasException(result));
   Dart_Handle exception_result = Dart_ErrorGetException(result);
   EXPECT_VALID(exception_result);
 }
 
 }  // namespace dart