Add the ThirdPartyModules.Uninstallable histogram.

chrome/browser/conflicts/module_database_win.h

Index: chrome/browser/conflicts/module_database_win.h
diff --git a/chrome/browser/conflicts/module_database_win.h b/chrome/browser/conflicts/module_database_win.h
index 9aba61050d7b73260bac64c1c6563a46ae5d6227..57452a5cdb8646102b16512d4ce16076e842d231 100644
--- a/chrome/browser/conflicts/module_database_win.h
+++ b/chrome/browser/conflicts/module_database_win.h
@@ -17,6 +17,7 @@
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/conflicts/module_info_win.h"
 #include "chrome/browser/conflicts/module_inspector_win.h"
+#include "chrome/browser/conflicts/third_party_metrics_recorder_win.h"
 #include "content/public/common/process_type.h"
 
 class ModuleDatabaseObserver;
@@ -175,6 +176,8 @@ class ModuleDatabase {
 
   base::ObserverList<ModuleDatabaseObserver> observer_list_;
 
+  ThirdPartyMetricsRecorder third_party_metrics_;
+
   // Weak pointer factory for this object. This is used when bouncing
   // incoming events to |task_runner_|.
   base::WeakPtrFactory<ModuleDatabase> weak_ptr_factory_;