Loader: Remove unused functions from web_url_request_util

Bug: 860403
Change-Id: I859c54261415e224d97813595a4531c314f65718
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2308551
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Commit-Queue: Dominic Farolino <dom@chromium.org>
Auto-Submit: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Dominic Farolino <dom@chromium.org>
Cr-Commit-Position: refs/heads/master@{#790231}

content/renderer/loader/web_url_request_util.cc

@@ -107,14 +107,6 @@ class HeaderFlattener : public blink::WebHTTPHeaderVisitor {
 
 }  // namespace
 
-net::HttpRequestHeaders GetWebURLRequestHeaders(
-    const blink::WebURLRequest& request) {
-  net::HttpRequestHeaders headers;
-  HttpRequestHeadersVisitor visitor(&headers);
-  request.VisitHttpHeaderFields(&visitor);
-  return headers;
-}
-
 std::string GetWebURLRequestHeadersAsString(
     const blink::WebURLRequest& request) {
   HeaderFlattener flattener;
@@ -244,10 +236,6 @@ scoped_refptr<network::ResourceRequestBody> GetRequestBodyForWebHTTPBody(
   static_assert(static_cast<int>(a) == static_cast<int>(b), \
                 "mismatching enums: " #a)
 
-std::string GetFetchIntegrityForWebURLRequest(const WebURLRequest& request) {
-  return request.GetFetchIntegrity().Utf8();
-}
-
 blink::mojom::RequestContextType GetRequestContextTypeForWebURLRequest(
     const WebURLRequest& request) {
   return static_cast<blink::mojom::RequestContextType>(

content/renderer/loader/web_url_request_util.h

@@ -22,9 +22,6 @@ class WebHTTPBody;
 
 namespace content {
 
-net::HttpRequestHeaders GetWebURLRequestHeaders(
-    const blink::WebURLRequest& request);
-
 std::string GetWebURLRequestHeadersAsString(
     const blink::WebURLRequest& request);
 
@@ -44,8 +41,6 @@ scoped_refptr<network::ResourceRequestBody> GetRequestBodyForWebURLRequest(
 
 // Helper functions to convert enums from the blink type to the content
 // type.
-std::string GetFetchIntegrityForWebURLRequest(
-    const blink::WebURLRequest& request);
 blink::mojom::RequestContextType GetRequestContextTypeForWebURLRequest(
     const blink::WebURLRequest& request);
 network::mojom::RequestDestination GetRequestDestinationForWebURLRequest(