Centralize the setting of Accept headers

content/browser/frame_host/navigation_request.cc

Index: content/browser/frame_host/navigation_request.cc
diff --git a/content/browser/frame_host/navigation_request.cc b/content/browser/frame_host/navigation_request.cc
index da162c8e907b5f93f140693a654401331daf77fb..617fc26dc41f3d6513a5568590facbff2471fe1d 100644
--- a/content/browser/frame_host/navigation_request.cc
+++ b/content/browser/frame_host/navigation_request.cc
@@ -79,8 +79,6 @@ scoped_ptr<NavigationRequest> NavigationRequest::CreateBrowserInitiated(
   headers.AddHeadersFromString(entry.extra_headers());
   headers.SetHeaderIfMissing(net::HttpRequestHeaders::kUserAgent,
                              GetContentClient()->GetUserAgent());
-  // TODO(clamy): match what blink is doing with accept headers.
-  headers.SetHeaderIfMissing("Accept", "*/*");
 
   // Fill POST data from the browser in the request body.
   scoped_refptr<ResourceRequestBody> request_body;