Add a new GetNegotiatedProtocol method to StreamSocket and implement in all subclasses.

net/socket/transport_client_socket_pool_unittest.cc

Index: net/socket/transport_client_socket_pool_unittest.cc
diff --git a/net/socket/transport_client_socket_pool_unittest.cc b/net/socket/transport_client_socket_pool_unittest.cc
index 3aeda509fff9cd1e92eef1ebd7d1600398d3f290..0b310833aadf7f2b68b16bc69a40be99902254c5 100644
--- a/net/socket/transport_client_socket_pool_unittest.cc
+++ b/net/socket/transport_client_socket_pool_unittest.cc
@@ -91,6 +91,9 @@ class MockClientSocket : public StreamSocket {
   virtual base::TimeDelta GetConnectTimeMicros() const {
     return base::TimeDelta::FromMicroseconds(-1);
   }
+  virtual NextProto GetNegotiatedProtocol() const {
+    return kProtoUnknown;
+  }
 
   // Socket implementation.
   virtual int Read(IOBuffer* buf, int buf_len,
@@ -145,6 +148,9 @@ class MockFailingClientSocket : public StreamSocket {
   virtual base::TimeDelta GetConnectTimeMicros() const {
     return base::TimeDelta::FromMicroseconds(-1);
   }
+  virtual NextProto GetNegotiatedProtocol() const {
+    return kProtoUnknown;
+  }
 
   // Socket implementation.
   virtual int Read(IOBuffer* buf, int buf_len,
@@ -224,6 +230,9 @@ class MockPendingClientSocket : public StreamSocket {
   virtual base::TimeDelta GetConnectTimeMicros() const {
     return base::TimeDelta::FromMicroseconds(-1);
   }
+  virtual NextProto GetNegotiatedProtocol() const {
+    return kProtoUnknown;
+  }
 
   // Socket implementation.
   virtual int Read(IOBuffer* buf, int buf_len,