Remove DCHECK_IMPLIES and CHECK_IMPLIES

base/trace_event/memory_dump_manager.cc

Index: base/trace_event/memory_dump_manager.cc
diff --git a/base/trace_event/memory_dump_manager.cc b/base/trace_event/memory_dump_manager.cc
index 37fdbe18566ed790ab77f84610634a0ad64d9364..fffea34e0c0b9cd95bc024b081f9d9b553fb2bf8 100644
--- a/base/trace_event/memory_dump_manager.cc
+++ b/base/trace_event/memory_dump_manager.cc
@@ -226,9 +226,9 @@ void MemoryDumpManager::UnregisterDumpProvider(MemoryDumpProvider* mdp) {
   // and OnMemoryDump() at the same time).
   // Otherwise, it is not possible to guarantee that its unregistration is
   // race-free. If you hit this DCHECK, your MDP has a bug.
-  DCHECK_IMPLIES(
-      subtle::NoBarrier_Load(&memory_tracing_enabled_),
-      mdp_info.task_runner && mdp_info.task_runner->BelongsToCurrentThread())
+  DCHECK(
+      !subtle::NoBarrier_Load(&memory_tracing_enabled_) ||
+      (mdp_info.task_runner && mdp_info.task_runner->BelongsToCurrentThread()))
       << "The MemoryDumpProvider attempted to unregister itself in a racy way. "
       << " Please file a crbug.";