Set trusted SPDY proxy dynamically on per-profile basis

net/base/proxy_delegate.h

Index: net/base/proxy_delegate.h
diff --git a/net/base/proxy_delegate.h b/net/base/proxy_delegate.h
index 7e00d0ca8c79d98e606c0133e408e27046ed3c6f..8ff6a7e999c21da42ffef7b417714128206cd662 100644
--- a/net/base/proxy_delegate.h
+++ b/net/base/proxy_delegate.h
@@ -67,6 +67,10 @@ class NET_EXPORT ProxyDelegate {
       const HostPortPair& proxy_server,
       const HttpResponseHeaders& response_headers) = 0;
 
+  // Returns true if |proxy_server| is a trusted SPDY/HTTP2 proxy that is
+  // allowed to push cross-origin resources.
+  virtual bool IsTrustedSpdyProxy(const net::ProxyServer& proxy_server) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ProxyDelegate);
 };