Make the download's response headers available in the DownloadItem

content/public/test/fake_download_item.cc

Index: content/public/test/fake_download_item.cc
diff --git a/content/public/test/fake_download_item.cc b/content/public/test/fake_download_item.cc
index 7e9fe03d9a1060c56acb05f0eddc043e8d5cb93f..ccc21880d45faf3e3d4d92696a145d1057d9b824 100644
--- a/content/public/test/fake_download_item.cc
+++ b/content/public/test/fake_download_item.cc
@@ -5,6 +5,7 @@
 #include "content/public/test/fake_download_item.h"
 
 #include "base/bind.h"
+#include "net/http/http_response_headers.h"
 
 namespace content {
 
@@ -126,6 +127,16 @@ DownloadItem::DownloadState FakeDownloadItem::GetState() const {
   return download_state_;
 }
 
+void FakeDownloadItem::SetResponseHeaders(
+    scoped_refptr<const net::HttpResponseHeaders> response_headers) {
+  response_headers_ = response_headers;
+}
+
+const scoped_refptr<const net::HttpResponseHeaders>&
+FakeDownloadItem::GetResponseHeaders() const {
+  return response_headers_;
+}
+
 void FakeDownloadItem::SetMimeType(const std::string& mime_type) {
   mime_type_ = mime_type;
 }