net: rename WasNpnNegotiated() method to WasAlpnNegotiated()

This fixes the bnc's TODOs.

BUG=None
TEST=net_unittests
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[email protected],[email protected],[email protected],[email protected],[email protected]

Review-Url: https://codereview.chromium.org/2599343002
Cr-Commit-Position: refs/heads/master@{#440683}
diff --git a/net/socket/ssl_client_socket_impl.h b/net/socket/ssl_client_socket_impl.h
index 3070daf..b997beb 100644
--- a/net/socket/ssl_client_socket_impl.h
+++ b/net/socket/ssl_client_socket_impl.h
@@ -110,7 +110,7 @@
   void SetSubresourceSpeculation() override;
   void SetOmniboxSpeculation() override;
   bool WasEverUsed() const override;
-  bool WasNpnNegotiated() const override;
+  bool WasAlpnNegotiated() const override;
   NextProto GetNegotiatedProtocol() const override;
   bool GetSSLInfo(SSLInfo* ssl_info) override;
   void GetConnectionAttempts(ConnectionAttempts* out) const override;