Give isolates names to be used during debugging.

runtime/vm/zone_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/dart.h"
 #include "vm/isolate.h"
 #include "vm/unit_test.h"
 #include "vm/zone.h"
 
 namespace dart {
 
 DECLARE_DEBUG_FLAG(bool, trace_zone_sizes);
 
 UNIT_TEST_CASE(AllocateZone) {
 #if defined(DEBUG)
   FLAG_trace_zone_sizes = true;
 #endif
-  Isolate* isolate = Isolate::Init();
+  Isolate* isolate = Isolate::Init(NULL);
   EXPECT(Isolate::Current() == isolate);
   EXPECT(isolate->current_zone() == NULL);
   {
     Zone zone(isolate);
     EXPECT(isolate->current_zone() != NULL);
     intptr_t allocated_size = 0;
 
     // The loop is to make sure we overflow one segment and go on
     // to the next segment.
     for (int i = 0; i < 1000; i++) {
@@ skipping 40 matching lines @@
   EXPECT(isolate->current_zone() == NULL);
   isolate->Shutdown();
   delete isolate;
 }
 
 
 UNIT_TEST_CASE(ZoneAllocated) {
 #if defined(DEBUG)
   FLAG_trace_zone_sizes = true;
 #endif
-  Isolate* isolate = Isolate::Init();
+  Isolate* isolate = Isolate::Init(NULL);
   EXPECT(Isolate::Current() == isolate);
   EXPECT(isolate->current_zone() == NULL);
   static int marker;
 
   class SimpleZoneObject : public ZoneAllocated {
    public:
     SimpleZoneObject() : slot(marker++) { }
     virtual int GetSlot() { return slot; }
     int slot;
   };
@@ skipping 22 matching lines @@
     second->slot = 87;
     EXPECT_EQ(42, first->slot);
     EXPECT_EQ(87, second->slot);
   }
   EXPECT(isolate->current_zone() == NULL);
   isolate->Shutdown();
   delete isolate;
 }
 
 }  // namespace dart