Remove isolate argument from handle allocation: Part II

runtime/vm/report_test.cc

 // Copyright (c) 2014, 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/report.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
 TEST_CASE(TraceJSWarning) {
-  Isolate* isolate = Isolate::Current();
+  Zone* zone = thread->zone();
+  Isolate* isolate = thread->isolate();
   TraceBuffer::Init(isolate, 3);
   TraceBuffer* trace_buffer = isolate->trace_buffer();
-  const String& url = String::Handle(isolate, String::New("Plug"));
-  const String& source = String::Handle(isolate, String::New("240 100"));
-  const Script& script = Script::Handle(isolate,
+  const String& url = String::Handle(zone, String::New("Plug"));
+  const String& source = String::Handle(zone, String::New("240 100"));
+  const Script& script = Script::Handle(zone,
       Script::New(url, source, RawScript::kEvaluateTag));
   script.Tokenize(String::Handle(String::New("")));
   {
     const intptr_t token_pos = 0;
     const char* message = "High Voltage";
     Report::MessageF(Report::kJSWarning, script, token_pos, "%s", message);
     {
       JSONStream js;
       trace_buffer->PrintToJSONStream(&js);
       EXPECT_SUBSTRING("{\"type\":\"TraceBuffer\",\"members\":["
@@ skipping 40 matching lines @@
                    "\"message\":{\"type\":\"@Instance\"",
                    trace_buffer->At(1)->message);
   // Skip private _OneByteString.
   EXPECT_SUBSTRING("\"valueAsString\":\"Low Voltage\"",
                    trace_buffer->At(1)->message);
 
   delete trace_buffer;
 }
 
 }  // namespace dart