[memory-infra] Remove thread check blacklist

base/trace_event/memory_dump_manager.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_
 #define BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 277 matching lines @@
   void GetDumpProvidersForPolling(
       std::vector<scoped_refptr<MemoryDumpProviderInfo>>*);
 
   // An ordererd set of registered MemoryDumpProviderInfo(s), sorted by task
   // runner affinity (MDPs belonging to the same task runners are adjacent).
   MemoryDumpProviderInfo::OrderedSet dump_providers_;
 
   // Shared among all the PMDs to keep state scoped to the tracing session.
   scoped_refptr<MemoryDumpSessionState> session_state_;
 
-  // The list of names of dump providers that are blacklisted from strict thread
-  // affinity check on unregistration.
-  std::unordered_set<StringPiece, StringPieceHash>
-      strict_thread_check_blacklist_;
-
   std::unique_ptr<MemoryTracingObserver> tracing_observer_;
 
   // Function provided by the embedder to handle global dump requests.
   RequestGlobalDumpFunction request_dump_function_;
 
   // True when current process coordinates the periodic dump triggering.
   bool is_coordinator_;
 
   // Protects from concurrent accesses to the local state, eg: to guard against
   // disabling logging while dumping on another thread.
@@ skipping 17 matching lines @@
   // Whether new memory dump providers should be told to enable heap profiling.
   bool heap_profiling_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(MemoryDumpManager);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_