[Tracing] Disable registration of regular dump providers during tests

base/trace_event/memory_dump_manager.h

Index: base/trace_event/memory_dump_manager.h
diff --git a/base/trace_event/memory_dump_manager.h b/base/trace_event/memory_dump_manager.h
index dfaf3a1fc9e0e16a226a5f833c50d648e4629fde..e18d5617486a66a184c325533503997849853155 100644
--- a/base/trace_event/memory_dump_manager.h
+++ b/base/trace_event/memory_dump_manager.h
@@ -102,6 +102,16 @@ class BASE_EXPORT MemoryDumpManager : public TraceLog::EnabledStateObserver {
     disable_periodic_dumps_for_testing_ = true;
   }
 
+  // When true, calling RegisterMemoryDumpProvider is a no-op.
+  bool ignore_dumper_registrations_for_testing() const {
+    return ignore_dumper_registrations_for_testing_;
+  }
+
+  void set_ignore_dumper_registrations_for_testing(bool ignore) {
+    ignore_dumper_registrations_for_testing_ = ignore;
+  }
+
+
  private:
   friend struct DefaultDeleter<MemoryDumpManager>;  // For the testing instance.
   friend struct DefaultSingletonTraits<MemoryDumpManager>;
@@ -224,8 +234,8 @@ class BASE_EXPORT MemoryDumpManager : public TraceLog::EnabledStateObserver {
   // Name of the allocated_objects dump.
   const char* system_allocator_pool_name_;
 
-  // Skips the auto-registration of the core dumpers during Initialize().
-  bool skip_core_dumpers_auto_registration_for_testing_;
+  // When true, calling RegisterMemoryDumpProvider is a no-op.
+  bool ignore_dumper_registrations_for_testing_;
 
   // When true, the initialization phase does not start the periodic memory
   // dumps.