Remove isolate argument from handle allocation: Part II

runtime/vm/report.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 "vm/report.h"
 
 #include "vm/code_patcher.h"
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/longjump.h"
@@ skipping 206 matching lines @@
     ic_data.SetIssuedJSWarning();
     JSWarningFromFrame(caller_frame, msg);
   }
 }
 
 
 void Report::JSWarningFromFrame(StackFrame* caller_frame, const char* msg) {
   ASSERT(caller_frame != NULL);
   ASSERT(FLAG_warn_on_javascript_compatibility);
   if (FLAG_silent_warnings) return;
-  Isolate* isolate = Isolate::Current();
-  const Code& caller_code = Code::Handle(isolate,
+  Zone* zone = Thread::Current()->zone();
+  const Code& caller_code = Code::Handle(zone,
                                          caller_frame->LookupDartCode());
   ASSERT(!caller_code.IsNull());
   const uword caller_pc = caller_frame->pc();
   const intptr_t token_pos = caller_code.GetTokenIndexOfPC(caller_pc);
-  const Function& caller = Function::Handle(isolate, caller_code.function());
-  const Script& script = Script::Handle(isolate, caller.script());
+  const Function& caller = Function::Handle(zone, caller_code.function());
+  const Script& script = Script::Handle(zone, caller.script());
   MessageF(kJSWarning, script, token_pos, "%s", msg);
 }
 
 
 void Report::TraceJSWarning(const Script& script,
                             intptr_t token_pos,
                             const String& message) {
   const int64_t micros = OS::GetCurrentTimeMicros();
   Isolate* isolate = Isolate::Current();
   TraceBuffer* trace_buffer = isolate->trace_buffer();
   if (trace_buffer == NULL) {
     TraceBuffer::Init(isolate);
     trace_buffer = isolate->trace_buffer();
   }
   JSONStream js;
   {
     JSONObject trace_warning(&js);
     trace_warning.AddProperty("type", "JSCompatibilityWarning");
     trace_warning.AddProperty("script", script);
     trace_warning.AddProperty("tokenPos", token_pos);
     trace_warning.AddProperty("message", message);
   }
   trace_buffer->Trace(micros, js.ToCString(), true);  // Already escaped.
 }
 
 }  // namespace dart