Extension Settings API: throttle the API in the same way that the Bookmarks API

chrome/browser/extensions/extension_webrequest_api.cc

Index: chrome/browser/extensions/extension_webrequest_api.cc
diff --git a/chrome/browser/extensions/extension_webrequest_api.cc b/chrome/browser/extensions/extension_webrequest_api.cc
index e6038ed778fde7adf1e5e8684d4f87cca746eecf..08b2a9bcdfaf5a3c124d49ee90d58fe6c623ebea 100644
--- a/chrome/browser/extensions/extension_webrequest_api.cc
+++ b/chrome/browser/extensions/extension_webrequest_api.cc
@@ -1602,7 +1602,7 @@ bool WebRequestHandlerBehaviorChanged::RunImpl() {
 }
 
 void WebRequestHandlerBehaviorChanged::GetQuotaLimitHeuristics(
-    std::list<QuotaLimitHeuristic*>* heuristics) const {
+    QuotaLimitHeuristics* heuristics) const {
   QuotaLimitHeuristic::Config config = {
     20,                               // Refill 20 tokens per interval.
     base::TimeDelta::FromMinutes(10)  // 10 minutes refill interval.