make SetReceiveBufferSize and SetSendBufferSize return net error codes (instead of bools)

jingle/glue/fake_ssl_client_socket.h

Index: jingle/glue/fake_ssl_client_socket.h
diff --git a/jingle/glue/fake_ssl_client_socket.h b/jingle/glue/fake_ssl_client_socket.h
index 54a9e2f2b1bb99241e25fbb8b6ad98bca365c867..41000f726a7808824de157bdcff2b2609ee9020e 100644
--- a/jingle/glue/fake_ssl_client_socket.h
+++ b/jingle/glue/fake_ssl_client_socket.h
@@ -49,8 +49,8 @@ class FakeSSLClientSocket : public net::StreamSocket {
                    const net::CompletionCallback& callback) OVERRIDE;
   virtual int Write(net::IOBuffer* buf, int buf_len,
                     const net::CompletionCallback& callback) OVERRIDE;
-  virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
-  virtual bool SetSendBufferSize(int32 size) OVERRIDE;
+  virtual int SetReceiveBufferSize(int32 size) OVERRIDE;
+  virtual int SetSendBufferSize(int32 size) OVERRIDE;
   virtual int Connect(const net::CompletionCallback& callback) OVERRIDE;
   virtual void Disconnect() OVERRIDE;
   virtual bool IsConnected() const OVERRIDE;