[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 db963111e86ddcf856e61cab91c53c48ef99d6bb..cf865f6d64edfddbecb32a286c50ed21842f0b7e 100644
--- a/base/trace_event/memory_dump_manager.h
+++ b/base/trace_event/memory_dump_manager.h
@@ -104,6 +104,15 @@ class BASE_EXPORT MemoryDumpManager : public TraceLog::EnabledStateObserver {
     return kSystemAllocatorPoolName;
   };
 
+  // When true, calling |RegisterMemoryDumpProvider| is a no-op.
+  bool dumper_registrations_ignored_for_testing() const {

[Primiano Tucci (use gerrit), 2015/10/13 13:35:50]

there doesn't seem to be any use of this getter. plz remove it

[Ruud van Asseldonk, 2015/10/13 13:55:41]

Done.

+    return dumper_registrations_ignored_for_testing_;
+  }
+
+  void set_dumper_registrations_ignored_for_testing(bool ignore) {

[Primiano Tucci (use gerrit), 2015/10/13 13:35:50]

s/ignore/ignored/ in the arg name

[Ruud van Asseldonk, 2015/10/13 13:55:41]

Done.

+    dumper_registrations_ignored_for_testing_ = ignore;
+  }
+
  private:
   friend struct DefaultDeleter<MemoryDumpManager>;  // For the testing instance.
   friend struct DefaultSingletonTraits<MemoryDumpManager>;
@@ -224,8 +233,8 @@ class BASE_EXPORT MemoryDumpManager : public TraceLog::EnabledStateObserver {
   // expected to be valid only when tracing is enabled.
   uint64 tracing_process_id_;
 
-  // 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 dumper_registrations_ignored_for_testing_;
 
   // Whether new memory dump providers should be told to enable heap profiling.
   bool heap_profiling_enabled_;