Reland rest of r77399.

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index c5730995d856c307586deddbbd15a860c6abc60f..2c58db184e39f4f60cd8de0cd65c562de18d69ad 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -409,12 +409,6 @@ class URLRequest : public base::NonThreadSafe {
     return response_info_.was_npn_negotiated;
   }
 
-  // Returns true if the URLRequest was delivered when the alternate protocol
-  // is available.
-  bool was_alternate_protocol_available() const {
-    return response_info_.was_alternate_protocol_available;
-  }
-
   // Returns true if the URLRequest was delivered through a proxy.
   bool was_fetched_via_proxy() const {
     return response_info_.was_fetched_via_proxy;