Make original_response_headers parameter of NetworkDelegate::OnHeadersReceived const


BUG=149890
[email protected],[email protected],[email protected]

Review URL: https://chromiumcodereview.appspot.com/10944013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163111 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc
index 828fe66..f34396f 100644
--- a/chrome/browser/net/chrome_network_delegate.cc
+++ b/chrome/browser/net/chrome_network_delegate.cc
@@ -242,7 +242,7 @@
 int ChromeNetworkDelegate::OnHeadersReceived(
     net::URLRequest* request,
     const net::CompletionCallback& callback,
-    net::HttpResponseHeaders* original_response_headers,
+    const net::HttpResponseHeaders* original_response_headers,
     scoped_refptr<net::HttpResponseHeaders>* override_response_headers) {
   return ExtensionWebRequestEventRouter::GetInstance()->OnHeadersReceived(
       profile_, extension_info_map_.get(), request, callback,