[memory-infra] Remove thread check blacklist

base/trace_event/memory_dump_manager_unittest.cc

Index: base/trace_event/memory_dump_manager_unittest.cc
diff --git a/base/trace_event/memory_dump_manager_unittest.cc b/base/trace_event/memory_dump_manager_unittest.cc
index 946b5b64162003adf5b997f8471f03744f7f07d7..9d2d4394235dab720fc67960faccac1cdec5dd36 100644
--- a/base/trace_event/memory_dump_manager_unittest.cc
+++ b/base/trace_event/memory_dump_manager_unittest.cc
@@ -1270,23 +1270,6 @@ TEST_F(MemoryDumpManagerTest, TestBackgroundTracingSetup) {
   DisableTracing();
 }
 
-TEST_F(MemoryDumpManagerTest, TestBlacklistedUnsafeUnregistration) {
-  InitializeMemoryDumpManager(false /* is_coordinator */);
-  MockMemoryDumpProvider mdp1;
-  RegisterDumpProvider(&mdp1, nullptr, kDefaultOptions,
-                       "BlacklistTestDumpProvider");
-  // Not calling UnregisterAndDeleteDumpProviderSoon() should not crash.
-  mdm_->UnregisterDumpProvider(&mdp1);
-
-  Thread thread("test thread");
-  thread.Start();
-  RegisterDumpProvider(&mdp1, thread.task_runner(), kDefaultOptions,
-                       "BlacklistTestDumpProvider");
-  // Unregistering on wrong thread should not crash.
-  mdm_->UnregisterDumpProvider(&mdp1);
-  thread.Stop();
-}
-
 // Tests that we can manually take a dump without enabling tracing.
 TEST_F(MemoryDumpManagerTest, DumpWithTracingDisabled) {
   InitializeMemoryDumpManager(false /* is_coordinator */);