[Extensions] Add renderer-side logic to short circuit activity logging

extensions/browser/extensions_browser_client.cc

Index: extensions/browser/extensions_browser_client.cc
diff --git a/extensions/browser/extensions_browser_client.cc b/extensions/browser/extensions_browser_client.cc
index 02091cf944d29c6dfb0478c534e78f1b993a2b51..4e0f268fd542914f5d3bdf7eeedc725b96a860e0 100644
--- a/extensions/browser/extensions_browser_client.cc
+++ b/extensions/browser/extensions_browser_client.cc
@@ -42,6 +42,11 @@ void ExtensionsBrowserClient::ReportError(
   LOG(ERROR) << error->GetDebugString();
 }
 
+bool ExtensionsBrowserClient::IsActivityLoggingEnabled(
+    content::BrowserContext* context) {
+  return false;
+}
+
 ExtensionsBrowserClient* ExtensionsBrowserClient::Get() {
   return g_client;
 }