Created new URLRequestContext for secure proxy check

components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
index 947f4514a86d17fe364419789e05fe43f949c5d4..e2636fb04c22ddb1cdb8ac6b54ea5ac55ca595bf 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_service.cc
@@ -61,7 +61,8 @@ net::URLFetcher* DataReductionProxyService::GetURLFetcherForSecureProxyCheck(
     const GURL& secure_proxy_check_url) {
   net::URLFetcher* fetcher = net::URLFetcher::Create(
       secure_proxy_check_url, net::URLFetcher::GET, this);
-  fetcher->SetLoadFlags(net::LOAD_DISABLE_CACHE | net::LOAD_BYPASS_PROXY);
+  fetcher->SetLoadFlags(net::LOAD_DISABLE_CACHE | net::LOAD_BYPASS_PROXY |
+                        net::LOAD_UNENCRYPTED_HTTP11);
   DCHECK(url_request_context_getter_);
   fetcher->SetRequestContext(url_request_context_getter_);
   // Configure max retries to be at most kMaxRetries times for 5xx errors.