Set trusted SPDY proxy dynamically on per-profile basis

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index 5b70b4cd149658639d0859ef29b7ea62cb2e966c..22fe4ef58eca3b067ab1f22573ae877281a0cab1 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -22,6 +22,7 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "net/base/net_export.h"
 #include "net/base/network_delegate.h"
@@ -47,6 +48,7 @@ class HttpServerProperties;
 class ProxyConfigService;
 class URLRequestContext;
 class URLRequestInterceptor;
+class TrustedSpdyProxyProvider;
 
 class NET_EXPORT URLRequestContextBuilder {
  public:
@@ -84,7 +86,7 @@ class NET_EXPORT URLRequestContextBuilder {
     uint16_t testing_fixed_http_port;
     uint16_t testing_fixed_https_port;
     NextProtoVector next_protos;
-    std::string trusted_spdy_proxy;
+    base::WeakPtr<TrustedSpdyProxyProvider> trusted_spdy_proxy_provider;
     bool use_alternative_services;
     bool enable_quic;
     bool quic_store_server_configs_in_properties;