Remove HttpStreamFactory::spdy_enabled_ static member and accessors.

net/http/http_stream_factory.cc

Index: net/http/http_stream_factory.cc
diff --git a/net/http/http_stream_factory.cc b/net/http/http_stream_factory.cc
index e97323ddb964bac0a962744310c53b1965e4be7b..6be6b7a4bdd501fbc99cb383f3b1e8c2e6789165 100644
--- a/net/http/http_stream_factory.cc
+++ b/net/http/http_stream_factory.cc
@@ -21,19 +21,8 @@
 
 namespace net {
 
-// WARNING: If you modify or add any static flags, you must keep them in sync
-// with |ResetStaticSettingsToInit|. This is critical for unit test isolation.
-
-// static
-bool HttpStreamFactory::spdy_enabled_ = true;
-
 HttpStreamFactory::~HttpStreamFactory() {}
 
-// static
-void HttpStreamFactory::ResetStaticSettingsToInit() {
-  spdy_enabled_ = true;
-}
-
 void HttpStreamFactory::ProcessAlternativeServices(
     HttpNetworkSession* session,
     const HttpResponseHeaders* headers,