Revert r1380 that is breaking frog.

runtime/vm/snapshot_test.cc

 // Copyright (c) 2011, 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/snapshot.h"
 
 #include "vm/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/unit_test.h"
@@ skipping 382 matching lines @@
   Timer timer1(true, "Snapshot_test");
   timer1.Start();
   Dart_CreateIsolate(NULL, NULL);
   {
     Dart_EnterScope();  // Start a Dart API scope for invoking API functions.
     Zone zone;
     HandleScope hs;
 
     // Create a test library and Load up a test script in it.
     Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
-    ClassFinalizer::FinalizeAllClasses();
+    ClassFinalizer::FinalizePendingClasses();
     timer1.Stop();
     OS::PrintErr("Without Snapshot: %dus\n", timer1.TotalElapsedTime());
 
     // Write snapshot with object content.
     SnapshotWriter writer(true, &buffer, &allocator);
     writer.WriteFullSnapshot();
 
     // Invoke a function which returns an object.
     Dart_Handle result = Dart_InvokeStatic(lib,
                                Dart_NewString("FieldsTest"),
@@ skipping 40 matching lines @@
 
     Dart_ExitScope();  // Exit the Dart API scope.
   }
   Dart_ShutdownIsolate();
 
   free(buffer);
 }
 #endif  // TARGET_ARCH_IA32.
 
 }  // namespace dart