Add Socket::ReadIfReady()

net/socket/ssl_client_socket_impl.h

Index: net/socket/ssl_client_socket_impl.h
diff --git a/net/socket/ssl_client_socket_impl.h b/net/socket/ssl_client_socket_impl.h
index 86505ab2f4a80c3d8620bf3684b999603bf1bcf8..0b179e166461419be7d19a3791c340cbed8334d7 100644
--- a/net/socket/ssl_client_socket_impl.h
+++ b/net/socket/ssl_client_socket_impl.h
@@ -127,6 +127,9 @@ class SSLClientSocketImpl : public SSLClientSocket,
   int Read(IOBuffer* buf,
            int buf_len,
            const CompletionCallback& callback) override;
+  int ReadIfReady(IOBuffer* buf,
+                  int buf_len,
+                  const CompletionCallback& callback) override;
   int Write(IOBuffer* buf,
             int buf_len,
             const CompletionCallback& callback) override;
@@ -134,8 +137,8 @@ class SSLClientSocketImpl : public SSLClientSocket,
   int SetSendBufferSize(int32_t size) override;
 
   // SocketBIOAdapter implementation:
-  void OnReadReady() override;
-  void OnWriteReady() override;
+  void OnReadReady(int rv) override;
+  void OnWriteReady(int rv) override;
 
  private:
   class PeerCertificateChain;