Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/transport_client_socket_pool_test_util.cc

Index: net/socket/transport_client_socket_pool_test_util.cc
diff --git a/net/socket/transport_client_socket_pool_test_util.cc b/net/socket/transport_client_socket_pool_test_util.cc
index 82ed8e6a78ef11151acc555cbedf3244b3594e9d..770ade30e7011cfa3c9a2350d32724eac5cbce39 100644
--- a/net/socket/transport_client_socket_pool_test_util.cc
+++ b/net/socket/transport_client_socket_pool_test_util.cc
@@ -69,6 +69,11 @@ class MockConnectClientSocket : public StreamSocket {
   bool WasNpnNegotiated() const override { return false; }
   NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
   bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
+  void GetConnectionAttempts(ConnectionAttempts* out) const override {
+    out->clear();
+  }
+  void ClearConnectionAttempts() override {}
+  void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
 
   // Socket implementation.
   int Read(IOBuffer* buf,
@@ -125,6 +130,11 @@ class MockFailingClientSocket : public StreamSocket {
   bool WasNpnNegotiated() const override { return false; }
   NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
   bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
+  void GetConnectionAttempts(ConnectionAttempts* out) const override {
+    out->clear();
+  }
+  void ClearConnectionAttempts() override {}
+  void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
 
   // Socket implementation.
   int Read(IOBuffer* buf,
@@ -236,6 +246,11 @@ class MockTriggerableClientSocket : public StreamSocket {
   bool WasNpnNegotiated() const override { return false; }
   NextProto GetNegotiatedProtocol() const override { return kProtoUnknown; }
   bool GetSSLInfo(SSLInfo* ssl_info) override { return false; }
+  void GetConnectionAttempts(ConnectionAttempts* out) const override {
+    out->clear();
+  }
+  void ClearConnectionAttempts() override {}
+  void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
 
   // Socket implementation.
   int Read(IOBuffer* buf,