From b00b0763776f9ae47b1843d025ecb50c4b997bca Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Thu, 7 Mar 2019 13:05:13 +0100
Subject: Remove various hard-coded Accept: headers

Since we're now handling this in the network back-end, there's no
need for this anymore.

Tag #993.
---
 dom/fetch/FetchDriver.cpp                     | 10 ----------
 dom/xslt/xslt/txMozillaStylesheetCompiler.cpp |  4 ----
 layout/style/Loader.cpp                       |  4 ----
 3 files changed, 18 deletions(-)

diff --git a/dom/fetch/FetchDriver.cpp b/dom/fetch/FetchDriver.cpp
index 1791399b7..6294b0dc5 100644
--- a/dom/fetch/FetchDriver.cpp
+++ b/dom/fetch/FetchDriver.cpp
@@ -903,11 +903,7 @@ FetchDriver::SetRequestHeaders(nsIHttpChannel* aChannel) const
 
   AutoTArray<InternalHeaders::Entry, 5> headers;
   mRequest->Headers()->GetEntries(headers);
-  bool hasAccept = false;
   for (uint32_t i = 0; i < headers.Length(); ++i) {
-    if (!hasAccept && headers[i].mName.EqualsLiteral("accept")) {
-      hasAccept = true;
-    }
     if (headers[i].mValue.IsEmpty()) {
       aChannel->SetEmptyRequestHeader(headers[i].mName);
     } else {
@@ -915,12 +911,6 @@ FetchDriver::SetRequestHeaders(nsIHttpChannel* aChannel) const
     }
   }
 
-  if (!hasAccept) {
-    aChannel->SetRequestHeader(NS_LITERAL_CSTRING("accept"),
-                               NS_LITERAL_CSTRING("*/*"),
-                               false /* merge */);
-  }
-
   if (mRequest->ForceOriginHeader()) {
     nsAutoString origin;
     if (NS_SUCCEEDED(nsContentUtils::GetUTFOrigin(mPrincipal, origin))) {
diff --git a/dom/xslt/xslt/txMozillaStylesheetCompiler.cpp b/dom/xslt/xslt/txMozillaStylesheetCompiler.cpp
index 726441757..c9bcc31ff 100644
--- a/dom/xslt/xslt/txMozillaStylesheetCompiler.cpp
+++ b/dom/xslt/xslt/txMozillaStylesheetCompiler.cpp
@@ -462,10 +462,6 @@ txCompileObserver::startLoad(nsIURI* aUri, txStylesheetCompiler* aCompiler,
 
     nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
     if (httpChannel) {
-        httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
-                                      NS_LITERAL_CSTRING("*/*"),
-                                      false);
-
         nsCOMPtr<nsIURI> referrerURI;
         aReferrerPrincipal->GetURI(getter_AddRefs(referrerURI));
         if (referrerURI) {
diff --git a/layout/style/Loader.cpp b/layout/style/Loader.cpp
index a1a0fcfd9..0ce337e29 100644
--- a/layout/style/Loader.cpp
+++ b/layout/style/Loader.cpp
@@ -1677,10 +1677,6 @@ Loader::LoadSheet(SheetLoadData* aLoadData,
 
   nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
   if (httpChannel) {
-    // Send a minimal Accept header for text/css
-    httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
-                                  NS_LITERAL_CSTRING("text/css,*/*;q=0.1"),
-                                  false);
     nsCOMPtr<nsIURI> referrerURI = aLoadData->GetReferrerURI();
     if (referrerURI)
       httpChannel->SetReferrerWithPolicy(referrerURI,
-- 
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