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..4018b7e1e6db2fb21ebdbf06f8e6b2e7dba636d1 100644
--- a/net/base/proxy_delegate.h
+++ b/net/base/proxy_delegate.h
@@ -67,6 +67,11 @@ class NET_EXPORT ProxyDelegate {
       const HostPortPair& proxy_server,
       const HttpResponseHeaders& response_headers) = 0;
 
+  // Returns true if proxy_server is a trusted SPDY proxy that is allowed to
+  // push cross-origin resources.
+  virtual bool IsTrustedSpdyProxy(
+      const net::ProxyServer& proxy_server) const = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ProxyDelegate);
 };