Add a feature which, when enabled, blocks permissions after X prompt dismissals.

chrome/browser/browsing_data/browsing_data_remover.cc

Index: chrome/browser/browsing_data/browsing_data_remover.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover.cc b/chrome/browser/browsing_data/browsing_data_remover.cc
index cc28d811f5cf714894cc6e8b8088d55c4368443b..817e8d3e77e80a0ac13fb743b0c951cc55982fc7 100644
--- a/chrome/browser/browsing_data/browsing_data_remover.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover.cc
@@ -32,6 +32,7 @@
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
+#include "chrome/browser/permissions/permission_decision_auto_blocker.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ -421,6 +422,9 @@ void BrowsingDataRemover::RemoveImpl(
     extension_prefs->ClearLastLaunchTimes();
 #endif
 
+    // Clear permission dismissal counts as they are origin-keyed.
+    PermissionDecisionAutoBlocker::RemoveCountsByUrl(profile_, filter);
+
     // The power consumption history by origin contains details of websites
     // that were visited.
     // TODO(dmurph): Support all backends with filter (crbug.com/113621).