Add deletion to the activityLogPrivate API

chrome/browser/extensions/activity_log/activity_log.cc

Index: chrome/browser/extensions/activity_log/activity_log.cc
diff --git a/chrome/browser/extensions/activity_log/activity_log.cc b/chrome/browser/extensions/activity_log/activity_log.cc
index e8f714e790df4f45207378b987576144747d3edd..129626b4d55979935e58a436bdf24b783c9a2ec3 100644
--- a/chrome/browser/extensions/activity_log/activity_log.cc
+++ b/chrome/browser/extensions/activity_log/activity_log.cc
@@ -312,6 +312,16 @@ void ActivityLog::OnExtensionUnloaded(const Extension* extension) {
   }
 }
 
+void ActivityLog::OnExtensionUninstalled(const Extension* extension) {
+  // If the extension has been uninstalled but not disabled, we delete the
+  // database.
+  if (extension->id() != kActivityLogExtensionId) return;
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableExtensionActivityLogging)) {
+    DeleteDatabase();
+  }
+}
+
 // static
 ActivityLog* ActivityLog::GetInstance(Profile* profile) {
   return ActivityLogFactory::GetForProfile(profile);
@@ -456,4 +466,10 @@ void ActivityLog::RemoveURL(const GURL& url) {
   RemoveURLs(urls);
 }
 
+void ActivityLog::DeleteDatabase() {
+  if (!policy_)
+    return;
+  policy_->DeleteDatabase();
+}
+
 }  // namespace extensions