Centralize the setting of Accept headers

third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp

Index: third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp
diff --git a/third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp b/third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp
index 9d77f2282745aa7c9fb07dba8d2b611ef7697afc..9384b813c9041831a0d28ae49edd2dc2e3871050 100644
--- a/third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp
+++ b/third_party/WebKit/Source/core/fetch/XSLStyleSheetResource.cpp
@@ -52,6 +52,13 @@ PassRefPtrWillBeRawPtr<XSLStyleSheetResource> XSLStyleSheetResource::fetch(Fetch
 {
     ASSERT(RuntimeEnabledFeatures::xsltEnabled());
     request.mutableResourceRequest().setRequestContext(WebURLRequest::RequestContextXSLT);
+    // TODO(japhet): Accept: headers can be set manually on XHRs from script,
+    // in the browser process, and... here. The browser process can't tell the
+    // difference between an XSL stylesheet and a CSS stylesheet, so it assumes
+    // stylesheets are all CSS unless they already have an Accept: header set.
+    // Should we teach the browser process the difference?
+    DEFINE_STATIC_LOCAL(const AtomicString, acceptXSLT, ("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml", AtomicString::ConstructFromLiteral));
+    request.mutableResourceRequest().setHTTPAccept(acceptXSLT);
     return toXSLStyleSheetResource(fetcher->requestResource(request, XSLStyleSheetResourceFactory()));
 }
 
@@ -59,11 +66,6 @@ XSLStyleSheetResource::XSLStyleSheetResource(const ResourceRequest& resourceRequ
     : StyleSheetResource(resourceRequest, XSLStyleSheet, options, "text/xsl", charset)
 {
     ASSERT(RuntimeEnabledFeatures::xsltEnabled());
-    DEFINE_STATIC_LOCAL(const AtomicString, acceptXSLT, ("text/xml, application/xml, application/xhtml+xml, text/xsl, application/rss+xml, application/atom+xml", AtomicString::ConstructFromLiteral));
-
-    // It's XML we want.
-    // FIXME: This should accept more general xml formats */*+xml, image/svg+xml for example.
-    setAccept(acceptXSLT);
 }
 
 void XSLStyleSheetResource::didAddClient(ResourceClient* c)