Remove signature classes from the VM.

runtime/vm/profiler_test.cc

Index: runtime/vm/profiler_test.cc
diff --git a/runtime/vm/profiler_test.cc b/runtime/vm/profiler_test.cc
index 63ac759d663f9ef4f976a8cad0496adee1d9176d..a88e26e21b2ba5159197bd68d7fa66b998c0a42e 100644
--- a/runtime/vm/profiler_test.cc
+++ b/runtime/vm/profiler_test.cc
@@ -875,10 +875,10 @@ TEST_CASE(Profiler_ClassAllocation) {
   root_library ^= Api::UnwrapHandle(lib);
   Isolate* isolate = thread->isolate();
 
-  const Class& class_class =
-      Class::Handle(Object::class_class());
-  EXPECT(!class_class.IsNull());
-  class_class.SetTraceAllocation(true);
+  const Class& closure_class =
+      Class::Handle(Isolate::Current()->object_store()->closure_class());
+  EXPECT(!closure_class.IsNull());
+  closure_class.SetTraceAllocation(true);
 
   // Invoke "foo" which during compilation, triggers a closure class allocation.

[rmacnak, 2016/01/19 19:27:12]

Doesn't allocate a class anymore.

[regis, 2016/01/19 23:15:29]

Removed "class".

   Dart_Handle result = Dart_Invoke(lib, NewString("foo"), 0, NULL);
@@ -888,7 +888,7 @@ TEST_CASE(Profiler_ClassAllocation) {
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
-    AllocationFilter filter(isolate, class_class.id());
+    AllocationFilter filter(isolate, closure_class.id());
     filter.set_enable_vm_ticks(true);
     profile.Build(thread, &filter, Profile::kNoTags);
     // We should have one allocation sample.
@@ -897,17 +897,12 @@ TEST_CASE(Profiler_ClassAllocation) {
 
     walker.Reset(Profile::kExclusiveCode);
     EXPECT(walker.Down());
-#if defined(TARGET_OS_WINDOWS)
-    // TODO(johnmccutchan): Hookup native symbol resolver on Windows.
-    EXPECT_SUBSTRING("[Native]", walker.CurrentName());
-#else
-    EXPECT_SUBSTRING("dart::Profiler::SampleAllocation", walker.CurrentName());
-#endif
+    EXPECT_SUBSTRING("foo", walker.CurrentName());
     EXPECT(!walker.Down());
   }
 
-  // Disable allocation tracing for Class.
-  class_class.SetTraceAllocation(false);
+  // Disable allocation tracing for Closure.
+  closure_class.SetTraceAllocation(false);
 
   // Invoke "bar" which during compilation, triggers a closure class allocation.

[rmacnak, 2016/01/19 19:27:11]

Doesn't allocate a class anymore.

[regis, 2016/01/19 23:15:30]

Removed "class".

   result = Dart_Invoke(lib, NewString("bar"), 0, NULL);
@@ -917,7 +912,7 @@ TEST_CASE(Profiler_ClassAllocation) {
     StackZone zone(thread);
     HANDLESCOPE(thread);
     Profile profile(isolate);
-    AllocationFilter filter(isolate, class_class.id());
+    AllocationFilter filter(isolate, closure_class.id());
     filter.set_enable_vm_ticks(true);
     profile.Build(thread, &filter, Profile::kNoTags);
     // We should still only have one allocation sample.