Remove unused SpdySessionKey constructor

This temporary hack to get an implicit copy constructor is no longer
needed.

Change-Id: I06d45124f4d629e03be1bbefaa8479ad2060aac7
Reviewed-on: https://chromium-review.googlesource.com/847957Reviewed-by: Bence Béky <bnc@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526785}

net/spdy/chromium/spdy_session_key.cc

@@ -12,8 +12,7 @@
 
 namespace net {
 
-SpdySessionKey::SpdySessionKey() : privacy_mode_(PRIVACY_MODE_DISABLED) {
-}
+SpdySessionKey::SpdySessionKey() = default;
 
 SpdySessionKey::SpdySessionKey(const HostPortPair& host_port_pair,
                                const ProxyServer& proxy_server,
@@ -25,15 +24,6 @@ SpdySessionKey::SpdySessionKey(const HostPortPair& host_port_pair,
       << ", privacy=" << privacy_mode;
 }
 
-SpdySessionKey::SpdySessionKey(const HostPortProxyPair& host_port_proxy_pair,
-                               PrivacyMode privacy_mode)
-    : host_port_proxy_pair_(host_port_proxy_pair),
-      privacy_mode_(privacy_mode) {
-  DVLOG(1) << "SpdySessionKey(hppp=" << host_port_proxy_pair.first.ToString()
-      << "," << host_port_proxy_pair.second.ToURI()
-      << ", privacy=" << privacy_mode;
-}
-
 SpdySessionKey::SpdySessionKey(const SpdySessionKey& other) = default;
 
 SpdySessionKey::~SpdySessionKey() = default;

net/spdy/chromium/spdy_session_key.h

@@ -19,10 +19,6 @@ class NET_EXPORT_PRIVATE SpdySessionKey {
                  const ProxyServer& proxy_server,
                  PrivacyMode privacy_mode);
 
-  // Temporary hack for implicit copy constructor
-  SpdySessionKey(const HostPortProxyPair& host_port_proxy_pair,
-                 PrivacyMode privacy_mode);
-
   SpdySessionKey(const SpdySessionKey& other);
 
   ~SpdySessionKey();
@@ -55,7 +51,7 @@ class NET_EXPORT_PRIVATE SpdySessionKey {
  private:
   HostPortProxyPair host_port_proxy_pair_;
   // If enabled, then session cannot be tracked by the server.
-  PrivacyMode privacy_mode_;
+  PrivacyMode privacy_mode_ = PRIVACY_MODE_DISABLED;
 };
 
 }  // namespace net