Fix bug in net::RequestPriority -> HTTP/2 dependency conversion.

net/spdy/spdy_session_unittest.cc

Index: net/spdy/spdy_session_unittest.cc
diff --git a/net/spdy/spdy_session_unittest.cc b/net/spdy/spdy_session_unittest.cc
index eb7ded1796ff387484d830a0ce9e70fa19bf8d04..a437db250db5d1f82bb5442aa33ce836f8003c92 100644
--- a/net/spdy/spdy_session_unittest.cc
+++ b/net/spdy/spdy_session_unittest.cc
@@ -139,8 +139,9 @@ class SpdySessionTest : public PlatformTest,
         key_(test_host_port_pair_,
              ProxyServer::Direct(),
              PRIVACY_MODE_DISABLED) {
-    SpdySession::SetPriorityDependencyDefaultForTesting(
-        GetDependenciesFromPriority());
+    old_dependency_default_ =
+        Http2PriorityDependencies::SetEnabledDefaultForTesting(
+            GetDependenciesFromPriority());
   }
 
   virtual ~SpdySessionTest() {
@@ -150,7 +151,8 @@ class SpdySessionTest : public PlatformTest,
         HttpNetworkSession::NORMAL_SOCKET_POOL, old_max_pool_sockets_);
     ClientSocketPoolManager::set_max_sockets_per_group(
         HttpNetworkSession::NORMAL_SOCKET_POOL, old_max_group_sockets_);
-    SpdySession::SetPriorityDependencyDefaultForTesting(false);
+    Http2PriorityDependencies::SetEnabledDefaultForTesting(
+        old_dependency_default_);
   }
 
   void SetUp() override {
@@ -215,6 +217,7 @@ class SpdySessionTest : public PlatformTest,
   HostPortPair test_host_port_pair_;
   SpdySessionKey key_;
   BoundTestNetLog log_;
+  bool old_dependency_default_;
 };
 
 INSTANTIATE_TEST_CASE_P(ProtoPlusDepend,