Remove isolate argument from handle allocation: Part II

runtime/vm/snapshot_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/globals.h"
 
 #include "include/dart_tools_api.h"
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 1101 matching lines @@
   for (intptr_t i = 0; i < lib_scripts.Length(); i++) {
     script ^= lib_scripts.At(i);
     EXPECT(!script.IsNull());
     uri = script.url();
     OS::Print("Generating source for part: %s\n", uri.ToCString());
     GenerateSourceAndCheck(script);
   }
 }
 
 TEST_CASE(GenerateSource) {
-  Isolate* isolate = Isolate::Current();
+  Zone* zone = thread->zone();
+  Isolate* isolate = thread->isolate();
   const GrowableObjectArray& libs = GrowableObjectArray::Handle(
-      isolate, isolate->object_store()->libraries());
+      zone, isolate->object_store()->libraries());
   Library& lib = Library::Handle();
   String& uri = String::Handle();
   for (intptr_t i = 0; i < libs.Length(); i++) {
     lib ^= libs.At(i);
     EXPECT(!lib.IsNull());
     uri = lib.url();
     OS::Print("Generating source for library: %s\n", uri.ToCString());
     IterateScripts(lib);
   }
 }
@@ skipping 1860 matching lines @@
   StackZone zone(Thread::Current());
   uint8_t* buffer;
   MessageWriter writer(&buffer, &zone_allocator, true);
   writer.WriteInlinedObjectHeader(kOmittedObjectId);
   // For performance, we'd like single-byte headers when ids are omitted.
   // If this starts failing, consider renumbering the snapshot ids.
   EXPECT_EQ(1, writer.BytesWritten());
 }
 
 }  // namespace dart